Hot spot in Nova Scotia: 21.3 °C F Grand Étang; Chéticamp. Cold spot in Nova Scotia: 13.0 °C F Brier Island. Hot spot in Canada: 23.8 °C F McTavish, QC. Cold spot in Canada: -4.3 °C F CFS Alert, NU. Use Current Location. or choose a province or territory: AB. BC. Wind southwest 30 km/h gusting to 60. High 24 except 19 along parts of the coast. Humidex 29. UV index 5 or moderate. Clear. Becoming partly cloudy this evening. Wind southwest 30 km/h gusting to 50 becoming west 20 this evening. Low 15 except 11 in low lying areas. A mix of sun and cloud.Alerts. Get current weather alerts across Canada from the Authoritative Source of Weather Alerts 24/7; Environment Canada. Read about the latest events in our weather summaries. Know the risk of lightning strikes with our lightning danger maps. Track hurricanes in motion. St. John's - Hourly Forecast - Environment Canada. Last updated 12:31 AM PDT Wed 6 Sep 2023.Sep 3, 2023 · Tropical Cyclone Information Statements. No statements currently issued. Visit the Canadian Hurricane Centre to learn more about hurricanes. Feedback. Date modified: 2023-09-03. Amount 2 to 4 mm. Wind north 20 km/h gusting to 40 becoming northeast 20 gusting to 40 near noon. High 22. Humidex 28. UV index 3 or moderate. Tonight. A few showers ending this evening then mainly cloudy with 60 percent chance of showers. Fog patches developing late this evening. Wind northeast 20 km/h gusting to 40 becoming light near midnight.Sep 4, 2023 · Forecast issued: 4:00 PM NDT Monday 4 September 2023. Date. Detailed Forecast. Tonight. Partly cloudy. Becoming cloudy this evening with 60 percent chance of showers or drizzle overnight. Fog patches developing near midnight. Wind southeast 20 km/h becoming east 20 near midnight. Low 13. 2 days ago · Wind southwest 30 km/h gusting to 60. High 24 except 19 along parts of the coast. Humidex 29. UV index 5 or moderate. Clear. Becoming partly cloudy this evening. Wind southwest 30 km/h gusting to 50 becoming west 20 this evening. Low 15 except 11 in low lying areas. A mix of sun and cloud. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Fort St. John, BC, CA with The Weather Network. St. John's - Hourly Forecast - Environment Canada. Last updated 2:01 PM PDT Sun 3 Sep 2023.FPCN16 CWHX 040800 Forecasts for Newfoundland issued by Environment Canada at 5:30 a.m. NDT Monday 4 September 2023 for today and Tuesday. The next scheduled forecast will be issued at 11:00 a.m. NDT. St. John's and vicinity Avalon Peninsula Southeast. Today..A mix of sun and cloud. Iceberg Limit. Iceberg limit at 0000 UTC 25 Aug estimated from Newfoundland near. 4758N 5310W to 4845N 5055W to 5125N 4850W to 5935N 5620W to 6015N. 5500W to 5910N 5025W then eastwards. Western iceberg limit at 0000 UTC 25 Aug estimated from Quebec near. 5042N 5924W to Newfoundland near 4947N 5750W.St. John's Airport measured 76.2 centimeters - 30 inches - of snowfall Friday, their record snowiest single day dating to 1942, topping the previous record of 68.4 centimeters on April 5, 1999 ...Alerts. Get current weather alerts across Canada from the Authoritative Source of Weather Alerts 24/7; Environment Canada. Read about the latest events in our weather summaries. Know the risk of lightning strikes with our lightning danger maps. Track hurricanes in motion.Satellite Images and Animation - Environment Canada. Public Alerts - Canada. Global and Regional forecast models. Guide to Public forecasts. Guide to Marine forecasts. Guide to Air Quality forecasts. Canadian Centre for Climate Services Library. Wind Chill and Humidex Calculators. Go to the desired page on the site, open the Weather shortcuts ...Sep 1, 2023 · Bras d'Or Lakes. Cabot Strait. Chaleur - Miscou. Eastern Shore. East Coast - Cape St. Francis and south. East Coast - north of Cape St. Francis. Fourchu. Funk Island Bank. Gulf - Magdalen. Forecast issued: 4:00 PM NDT Monday 4 September 2023. Date. Detailed Forecast. Tonight. Partly cloudy. Becoming cloudy this evening with 60 percent chance of showers or drizzle overnight. Fog patches developing near midnight. Wind southeast 20 km/h becoming east 20 near midnight. Low 13.Find the most current and reliable 36 hour weather forecasts, storm alerts, reports and information for St. John's, NL, CA with The Weather Network.Satellite Images and Animation - Environment Canada. Public Alerts - Canada. Global and Regional forecast models. Guide to Public forecasts. Guide to Marine forecasts. Guide to Air Quality forecasts. Canadian Centre for Climate Services Library. Wind Chill and Humidex Calculators. Go to the desired page on the site, open the Weather shortcuts ... St. John's Airport measured 76.2 centimeters - 30 inches - of snowfall Friday, their record snowiest single day dating to 1942, topping the previous record of 68.4 centimeters on April 5, 1999 ...Sep 2, 2023 · 19°C. A mix of sun and cloud. Fog patches dissipating in the morning. High 19. UV index 7 or high. Night: Increasing cloudiness. Low 10. Sun, 27 Aug. 18°C. Wind southwest 30 km/h gusting to 60. High 24 except 19 along parts of the coast. Humidex 29. UV index 5 or moderate. Clear. Becoming partly cloudy this evening. Wind southwest 30 km/h gusting to 50 becoming west 20 this evening. Low 15 except 11 in low lying areas. A mix of sun and cloud.1-3. Enjoy your usual outdoor activities. Ideal air quality for outdoor activities. Moderate Risk. 4-6. Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms. No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation. High Risk.Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 66 °F. Scattered clouds. (Weather station: St. John's, Canada). See more current weather St. John's Extended Forecast with high and low temperatures Sep 3 – Sep 9 Lo:56 Sun, 3 Hi:73 12 Lo:56 Mon, 4 Hi:67 9 0.09 Lo:60 Tue, 5 Hi:63 10 0.06 Lo:61 Wed, 6Historical Climate Data. Access historical weather, climate data, and related information for numerous locations across Canada. Temperature, precipitation, degree days, relative humidity, wind speed and direction, monthly summaries, averages, extremes and Climate Normals, are some of the information you will find on this site.Sep 2, 2023 · Forecast issued: 11:00 AM NDT Sunday 27 August 2023. Mainly cloudy. Wind south 20 km/h. High 21. UV index 7 or high. Becoming cloudy this evening with 60 percent chance of showers late this evening and overnight. Fog patches developing this evening. Wind south 20 km/h. Low 13. Forecast issued: 5:00 AM ADT Sunday 3 September 2023. Mainly sunny. Fog patches dissipating this morning. Wind becoming southwest 20 km/h near noon. High 26. Humidex 31. UV index 6 or high. A few clouds. Fog patches developing overnight.Marine Forecasts and Warnings for Canada. Choose a coloured marine region for the latest marine weather. Warning. Watch. Advisory. No warning or watch. Tropical Cyclone Statement. Strong wind warning program start and end dates may vary. More details.Current conditions and forecasts including 7 day outlook, daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill (when applicable) historical data, normals, record values and sunrise/sunset timesAlerts for: Saint John and County. Saint John and County. 1:13 PM ADT Monday 28 August 2023. No alerts in effect. Follow: Regional ATOM. Feedback.Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page. 06 Sep. Average high. 17.5 °C. Average low. 9.0 °C. Highest temperature (1942-2011) 25.0 °C.Cappahayden and Cambriol – Two discoveries made in 2020, approximately 500 kms east of St. John’s, NL The discoveries are in a water depth of about 1,100 meters, located within 10 to 20 kilometers of each other, and about 500 kms offshore from St. John’s, the capital city of Newfoundland and Labrador. bp is a 35% partner in the first five ... Environment Canada's weather web site provides official weather warnings, current conditions, forecasts, and weather models, for public and marine areas in Canada. Canadian weather RADAR, tropical storm tracking, lightning activity, UV index, and AQHI index values also available. Environment Canada's weather web site provides official weather warnings, current conditions, forecasts, and weather models, for public and marine areas in Canada. Sep 4, 2023 · St. John's - Hourly Forecast - Environment Canada. Last updated 12:31 AM PDT Wed 6 Sep 2023. Climate chart - St Johns (Canada) The climate of St. John's is moderately continental, characterized by cold winters, with temperatures often below freezing (0 °C or 32 °F), and mild summers. The city is located on the east coast of the island of Newfoundland, on the Avalon peninsula, and is the capital of the province of Newfoundland and ... Environment Canada issued a hurricane watch alert Thursday morning for the St. John's area and the southeastern Avalon Peninsula, saying Hurricane Larry has the potential to bring fierce...Satellite Images and Animation - Environment Canada. Public Alerts - Canada. Global and Regional forecast models. Guide to Public forecasts. Guide to Marine forecasts. Guide to Air Quality forecasts. Canadian Centre for Climate Services Library. Wind Chill and Humidex Calculators. Go to the desired page on the site, open the Weather shortcuts ...Forecast issued: 4:00 PM NDT Wednesday 6 September 2023. Partly cloudy. Becoming cloudy near midnight with 60 percent chance of showers or drizzle overnight. Fog patches. Wind becoming southeast 20 km/h near midnight. Low 19 except 15 in onshore winds. Cloudy with 60 percent chance of showers or drizzle in the morning and early in the afternoon.St. John's Int'l Airport - Past 24 Hour Conditions - Environment Canada. Canadian Centre for Climate Services Library. Wind Chill and Humidex Calculators. Find the most current and reliable 36 hour weather forecasts, storm alerts, reports and information for St. John's, NL, CA with The Weather Network.Sep 9, 2021 · Environment Canada issued a hurricane watch alert Thursday morning for the St. John's area and the southeastern Avalon Peninsula, saying Hurricane Larry has the potential to bring fierce ... Environment Canada issued a hurricane watch alert Thursday morning for the St. John's area and the southeastern Avalon Peninsula, saying Hurricane Larry has the potential to bring fierce...Alerts. Get current weather alerts across Canada from the Authoritative Source of Weather Alerts 24/7; Environment Canada. Read about the latest events in our weather summaries. Know the risk of lightning strikes with our lightning danger maps. Track hurricanes in motion.Alerts for: B.C. Peace River - Environment Canada. Last updated 7:38 PM PDT Thu 17 Aug 2023. Please note that this page is no longer reporting alerts.Low 14. Wed, 30 Aug. Sunny. Becoming a mix of sun and cloud in the morning. 30 percent chance of showers over northern sections late in the afternoon. Widespread smoke. Wind becoming southwest 20 km/h early in the afternoon. High 25. Humidex 28. UV index 5 or moderate.to learn more about hurricanes. Canadian Ice Service. Public Alerts - Canada. Global and Regional forecast models. Guide to Public forecasts. Guide to Marine forecasts. Guide to Air Quality forecasts. Canadian Centre for Climate Services Library. Wind Chill and Humidex Calculators.Find the most current and reliable hourly weather forecasts, storm alerts, reports and information for St. John's, NL, CA with The Weather Network.East Coast - north of Cape St. Francis. Fourchu. Funk Island Bank. Gulf - Magdalen - eastern half. Gulf - Magdalen - western half. Gulf - Port au Port. Lake Melville. Laurentian Fan. Mid Labrador Coast.Environment Canada's weather web site provides official weather warnings, current conditions, forecasts, and weather models, for public and marine areas in Canada. FPCN16 CWHX 040800 Forecasts for Newfoundland issued by Environment Canada at 5:30 a.m. NDT Monday 4 September 2023 for today and Tuesday. The next scheduled forecast will be issued at 11:00 a.m. NDT. St. John's and vicinity Avalon Peninsula Southeast. Today..A mix of sun and cloud.Sep 4, 2023 · Forecast issued: 11:00 AM NDT Sunday 27 August 2023. Mainly cloudy. Wind south 20 km/h. High 21. UV index 7 or high. Becoming cloudy this evening with 60 percent chance of showers late this evening and overnight. Fog patches developing this evening. Wind south 20 km/h. Low 13. Get current weather alerts across Canada from the Authoritative Source of Weather Alerts 24/7; Environment Canada. Read about the latest events in our weather summaries. Know the risk of lightning strikes with our lightning danger maps. Track hurricanes in motion. Hurricane.historical climate data web site is a gateway to information on matters such as past (hourly, daily, monthly and almanac) weather includes: temperature, snow, snow on ground, precipitation, rain, wind speed and direction, heating and cooling degree days, visibility, relative humidity, wind chill and humidex in Canada. Add to shortcuts. Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button; Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired nameEnvironment. Environment P.O. Box 8700 St. John’s, NL A1B 4J6 Email: [email protected]. Tara Kelly Assistant Deputy Minister, Environment Tel: (709) 729-3016 Fax: (709) 729-0943 Email: [email protected]. Bernice O’Reilly Administration Assistant to ADM Tel: (709) 729-3016 Email: [email protected]. Joanne Sweeney Director ...St. John's is the capital and largest city of the Canadian province of Newfoundland and Labrador. It is located on the eastern tip of the Avalon Peninsula on the island of Newfoundland. The city spans 446.04 km 2 (172.22 sq mi) and is the easternmost city in North America (excluding Greenland ). FPCN56 CWHX 040800 Extended forecasts from Tuesday night 5 September to Sunday 10 September for Newfoundland issued by Environment Canada at 5:30 a.m. NDT Monday 4 September 2023. The next scheduled forecast will be issued at 11:00 a.m. NDT. St. John's - Bonavista Peninsula. Tuesday night..Cloudy with 60 percent chance of showers.Get current weather alerts across Canada from the Authoritative Source of Weather Alerts 24/7; Environment Canada. Read about the latest events in our weather summaries. Know the risk of lightning strikes with our lightning danger maps. Track hurricanes in motion. Hurricane. Hot spot in Nova Scotia: 21.3 °C F Grand Étang; Chéticamp. Cold spot in Nova Scotia: 13.0 °C F Brier Island. Hot spot in Canada: 23.8 °C F McTavish, QC. Cold spot in Canada: -4.3 °C F CFS Alert, NU. Use Current Location. or choose a province or territory: AB. BC. Alerts. Get current weather alerts across Canada from the Authoritative Source of Weather Alerts 24/7; Environment Canada. Read about the latest events in our weather summaries. Know the risk of lightning strikes with our lightning danger maps. Track hurricanes in motion.1 day ago · Forecast issued: 4:00 PM NDT Wednesday 6 September 2023. Mainly cloudy. 40 percent chance of showers this evening. Wind becoming southeast 20 km/h this evening. Low 19. Mainly cloudy. Showers beginning in the afternoon. Local amount 5 mm. Wind southeast 20 km/h. High 26. Sep 3, 2023 · Alerts for: Saint John and County. Saint John and County. 1:13 PM ADT Monday 28 August 2023. No alerts in effect. Follow: Regional ATOM. Feedback. Detailed Forecast. Tonight. Mainly cloudy. 60 percent chance of showers this evening with risk of thunderstorms. Local smoke. Wind southwest 20 km/h gusting to 40 becoming light this evening. Low plus 4. Wed, 6 Sep. A mix of sun and cloud. 30 percent chance of showers late in the afternoon with risk of a thunderstorm. Local smoke.Marine Weather for: Atlantic - Newfoundland. Click on the coloured marine region for which you would like the marine forecast or latest warning. Warning. Watch. Advisory. No warning or watch. Strong wind warning program start and end dates may vary. More details.1 day ago · Saint John - Hourly Forecast - Environment Canada. Last updated 12:13 PM PDT Wed 6 Sep 2023. Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page. 06 Sep. Average high. 17.5 °C. Average low. 9.0 °C. Highest temperature (1942-2011) 25.0 °C.Cappahayden and Cambriol – Two discoveries made in 2020, approximately 500 kms east of St. John’s, NL The discoveries are in a water depth of about 1,100 meters, located within 10 to 20 kilometers of each other, and about 500 kms offshore from St. John’s, the capital city of Newfoundland and Labrador. bp is a 35% partner in the first five ... Aug 11, 2023 · Detailed Forecast. Today. A mix of sun and cloud. 30 percent chance of showers late this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 21. UV index 6 or high. Tonight. Partly cloudy. 30 percent chance of showers this evening with risk of a thunderstorm. Clearing overnight. Alerts. Get current weather alerts across Canada from the Authoritative Source of Weather Alerts 24/7; Environment Canada. Read about the latest events in our weather summaries. Know the risk of lightning strikes with our lightning danger maps. Track hurricanes in motion. Alerts. Get current weather alerts across Canada from the Authoritative Source of Weather Alerts 24/7; Environment Canada. Read about the latest events in our weather summaries. Know the risk of lightning strikes with our lightning danger maps. Track hurricanes in motion. Marine Weather for: Atlantic - Newfoundland. Click on the coloured marine region for which you would like the marine forecast or latest warning. Warning. Watch. Advisory. No warning or watch. Strong wind warning program start and end dates may vary. More details. Sep 6, 2023 · St. John's, NL Weather. 20:00 Monday. Cloudy 14° Feels like 14° Last Quarter. Illuminated: 74%. Hourly. Overcast skies for the next few hours. Hurricane. FRANKLIN 1.145 mi away. 7 Day. The climate of St. John's is moderately continental, characterized by cold winters, with temperatures often below freezing (0 °C or 32 °F), and mild summers. The city is located on the east coast of the island of Newfoundland, on the Avalon peninsula, and is the capital of the province of Newfoundland and Labrador.Low 14. Wed, 30 Aug. Sunny. Becoming a mix of sun and cloud in the morning. 30 percent chance of showers over northern sections late in the afternoon. Widespread smoke. Wind becoming southwest 20 km/h early in the afternoon. High 25. Humidex 28. UV index 5 or moderate.21 hours ago · St. John's - Hourly Forecast - Environment Canada. Last updated 2:01 PM PDT Sun 3 Sep 2023. Forecast issued: 11:00 AM NDT Sunday 27 August 2023. Mainly cloudy. Wind south 20 km/h. High 21. UV index 7 or high. Becoming cloudy this evening with 60 percent chance of showers late this evening and overnight. Fog patches developing this evening. Wind south 20 km/h. Low 13.Find the most current and reliable 36 hour weather forecasts, storm alerts, reports and information for St. John's, NL, CA with The Weather Network.Take preventative measures to protect frost-sensitive plants and trees. Frost advisories are issued when temperatures are expected to reach the freezing mark during the growing season, leading to potential damage and destruction to plants and crops. Please continue to monitor alerts and forecasts issued by Environment Canada.Becoming a mix of sun and cloud near noon. Fog patches dissipating near noon. Wind becoming south 20 km/h near noon. High 27 except 20 along parts of the coast. Humidex 35. UV index 7 or high.This map combines the latest ice information available from Canadian Ice Service charts. This ice information is updated daily in areas of known marine activity. In remaining Canadian waters, ice information is updated weekly from the regional charts which are issued at the end of the day every Wednesday. Take a look at our Ice Products Guide ...Add to shortcuts. Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button; Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired nameSt. John's - Hourly Forecast - Environment Canada. Last updated 2:01 PM PDT Sun 3 Sep 2023.St. John's - Hourly Forecast - Environment Canada. Last updated 12:31 AM PDT Wed 6 Sep 2023.Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Fort St. John, BC, CA with The Weather Network. Wind becoming northwest 20 km/h gusting to 40 this morning. High 19. UV index 6 or high. Clear. Wind northwest 20 km/h gusting to 40 becoming light this evening. Low 13 except 8 in low lying areas. Sunny. Wind becoming southwest 20 km/h gusting to 40 in the morning. High 21.
Technical Marine Synopsis. Issued 8:00 PM NDT 23 August 2023 Tonight and Thursday At 8:00 p.m. NDT tonight trough located on a line. northeast-southwest over the Grand Banks. By 8:00 p.m. NDT Thursday trough located east of the Grand Banks. At 8:00 p.m. NDT tonight quasi-stationary ridge located on a line. . Cricinfo com
Sep 7, 2023 · Add to shortcuts. Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button; Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired name 1-3. Enjoy your usual outdoor activities. Ideal air quality for outdoor activities. Moderate Risk. 4-6. Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms. No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation. High Risk. 1-3. Enjoy your usual outdoor activities. Ideal air quality for outdoor activities. Moderate Risk. 4-6. Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms. No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation. High Risk. Current Hurricane Conditions. Weather Warnings - These bulletins (when issued) can be viewed by clicking on a colour filled region of interest on the weather information (alerts layer) map. Hurricane Track Information - Online map of the storms tracked by the Canadian Hurricane Centre. Add to shortcuts. Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button; Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired nameDST Changes. Sun & Moon. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 57 °F. Fog. (Weather station: Saint John, Canada). See more current weather.Get current weather alerts across Canada from the Authoritative Source of Weather Alerts 24/7; Environment Canada. Read about the latest events in our weather summaries. Know the risk of lightning strikes with our lightning danger maps. Track hurricanes in motion. Hurricane.Aug 11, 2023 · Detailed Forecast. Today. A mix of sun and cloud. 30 percent chance of showers late this afternoon with risk of a thunderstorm. Wind southwest 30 km/h gusting to 50. High 21. UV index 6 or high. Tonight. Partly cloudy. 30 percent chance of showers this evening with risk of a thunderstorm. Clearing overnight. Sep 1, 2023 · Bras d'Or Lakes. Cabot Strait. Chaleur - Miscou. Eastern Shore. East Coast - Cape St. Francis and south. East Coast - north of Cape St. Francis. Fourchu. Funk Island Bank. Gulf - Magdalen. Becoming a mix of sun and cloud near noon. Fog patches dissipating near noon. Wind becoming south 20 km/h near noon. High 27 except 20 along parts of the coast. Humidex 35. UV index 7 or high.Sep 5, 2023 · East Coast - north of Cape St. Francis. Fourchu. Funk Island Bank. Gulf - Magdalen - eastern half. Gulf - Magdalen - western half. Gulf - Port au Port. Lake Melville. Laurentian Fan. Mid Labrador Coast. British Columbia. Newfoundland and Labrador. Cummins Lakes Park. Fort St. John. Gonzales Point. Gulf Islands (Southern) Kootenay (National Park) McBride. Pitt Meadows. Add to shortcuts. Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button; Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired name2 days ago · Detailed Forecast. Tonight. Mainly cloudy. 60 percent chance of showers this evening with risk of thunderstorms. Local smoke. Wind southwest 20 km/h gusting to 40 becoming light this evening. Low plus 4. Wed, 6 Sep. A mix of sun and cloud. 30 percent chance of showers late in the afternoon with risk of a thunderstorm. Local smoke. St. John's Int'l Airport - Past 24 Hour Conditions - Environment Canada. Canadian Centre for Climate Services Library. Wind Chill and Humidex Calculators. Monthly frequency of precipitation. 52%. Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page. Average high. 17.9 °C. Average low. 9.4 °C. Highest temperature (1942-2011)1 day ago · Saint John - Hourly Forecast - Environment Canada. Last updated 12:13 PM PDT Wed 6 Sep 2023. Forecast issued: 4:00 PM ADT Wednesday 30 August 2023. Rain at times heavy ending this evening then cloudy with 30 percent chance of showers. Risk of a thundershower early this evening. Fog patches dissipating near midnight. Amount 20 to 30 mm. Wind south 20 km/h becoming northwest 20 gusting to 40 late this evening. Low 12..