Current Conditions - Sarnia, ON
2°
Today's High: 9°
Today's Low: 1°
- Feels Like
- -1°
- Humidity
- 96%
- Pressure
- 1021.33 hPa
- Sunrise
- 06:58
- Wind
- 6km/h NE
- UV
- Low
- Visibility
- 2.41km
- Sunset
- 6:24
Hourly Weather
11 PM
2°
2°
12 AM
2°
2°
1 AM
1°
1°
2 AM
2°
2°
3 AM
2°
2°
4 AM
2°
2°
5 AM
2°
2°
6 AM
2°
2°
7 AM
2°
2°
8 AM
2°
2°
9 AM
3°
3°
10 AM
4°
4°
11 AM
5°
5°
12 PM
6°
6°
1 PM
7°
7°
2 PM
8°
8°
3 PM
9°
9°
4 PM
9°
9°
5 PM
9°
9°
6 PM
8°
8°
7 PM
9°
9°
8 PM
9°
9°
9 PM
10°
10°
10 PM
11°
11°
11 PM
12°
12°
12 AM
13°
13°
1 AM
13°
13°
2 AM
13°
13°
3 AM
13°
13°
4 AM
13°
13°
5 AM
13°
13°
6 AM
13°
13°
7 AM
14°
14°
8 AM
14°
14°
9 AM
15°
15°
10 AM
15°
15°
11 AM
15°
15°
12 PM
15°
15°
1 PM
16°
16°
2 PM
16°
16°
3 PM
16°
16°
4 PM
16°
16°
5 PM
15°
15°
6 PM
14°
14°
7 PM
13°
13°
8 PM
11°
11°
9 PM
10°
10°
10 PM
8°
8°
Daily weather forecast
Thursday
6°
1°
Cloudy. Low 1C.
6°
1°
Cloudy. Low 1C.
Friday
9°
8°
Showers possible in the afternoon. Highs 8 to 10C and lows 7 to 9C.
9°
8°
Showers possible in the afternoon. Highs 8 to 10C and lows 7 to 9C.
Saturday
17°
2°
Showers ending by midday. Highs 16 to 18C and lows 1 to 3C.
17°
2°
Showers ending by midday. Highs 16 to 18C and lows 1 to 3C.
Sunday
12°
5°
Mix of sun and clouds. Highs 11 to 13C and lows 4 to 6C.
12°
5°
Mix of sun and clouds. Highs 11 to 13C and lows 4 to 6C.
Monday
18°
6°
More sun than clouds. Highs 17 to 19C and lows 5 to 7C.
18°
6°
More sun than clouds. Highs 17 to 19C and lows 5 to 7C.
Tuesday
14°
4°
Mix of sun and clouds. Highs 13 to 15C and lows 3 to 5C.
14°
4°
Mix of sun and clouds. Highs 13 to 15C and lows 3 to 5C.
Wednesday
6°
-4°
Showers possible. Highs 5 to 7C and lows -5 to -3C.
6°
-4°
Showers possible. Highs 5 to 7C and lows -5 to -3C.
Thursday
1°
-3°
Partly cloudy. Highs -1 to 2C and lows -4 to -2C.
1°
-3°
Partly cloudy. Highs -1 to 2C and lows -4 to -2C.
Friday
6°
1°
Snow changing to rain. Highs 5 to 7C and lows -1 to 2C.
6°
1°
Snow changing to rain. Highs 5 to 7C and lows -1 to 2C.
Saturday
5°
-4°
Mix of rain and snow showers. Highs 4 to 6C and lows -5 to -3C.
5°
-4°
Mix of rain and snow showers. Highs 4 to 6C and lows -5 to -3C.
Radar
Latest Weather News - Toronto
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Southern Ontario set for a warm-up, but how long will it last?After a relatively cold February, much of southern Ontario is set for some warm yet rainy weather, though it may only last a few days.WeatherMar 2
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Ontario enters March with frigid cold snap as wind chills plummetSnow is not likely in Toronto, and the extreme cold will likely be short lived, with above zero temperatures returning to many parts of the province by Tuesday.WeatherMar 1
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Parts of Ontario to receive up to 20 cm of rain and snow mix into SaturdayAnother storm moving across Ontario is expected to bring a rain-to-snow transition to some areas, with possible freezing rain and higher snowfalls into Saturday.WeatherFeb 20
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Police renew warning to avoid Lake Ontario after man falls in icy watersToronto police are renewing warnings about dangerous ice conditions after a video showing a man falling into freezing cold waters has been circulating on social media.CanadaFeb 19
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More snow and freezing rain coming to Toronto, southern OntarioWeather warnings and advisories stretch from Windsor through Hamilton, Barrie and as far east as Belleville. They include fog, freezing rain and snow.WeatherFeb 17
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Torontonians can expect milder temperatures over Family Day weekendToronto residents can expect milder temperatures this weekend as a prolonged stretch of extreme cold gives way to above-seasonal conditions.WeatherFeb 14
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Ontario breaks free from extreme cold, but winter a ‘long drawn-out affair’The extreme cold temperatures seen in Ontario appear to finally be over with milder temperatures expected, but some snow is still in the forecast this month.WeatherFeb 9
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Old Man Winter growing old for Ontarians stuck in deep freezeYellow alert cold warnings are in place for numerous communities throughout Ontario, reaching as far south as Windsor, east to Ottawa and north to Kapuskasing.WeatherFeb 8
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Southern Ontario cold snap persists, wind chills near –35 CSouthern Ontario remains locked in a deep freeze, with wind chills as low as - 35 C and Toronto logging its longest stretch of below-freezing temperatures in 11 years.WeatherFeb 7
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Ontario city turns to landfill property for snow storage amid record winterWith snow storage at capacity, Barrie has turned to vacant land at a landfill, as officials say this winter’s clean up is one of the largest and costliest the city has faced.WeatherFeb 6
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Ontario hit with another cold weather blast. One Great Lake is almost completely frozenYet another cold weather alert has been issued for southern Ontario with a rapid fall in temperatures expected this weekend. One Great Lake is almost completely frozen over.WeatherFeb 6
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Major weather alerts issued for Saskatchewan, Toronto and N.SCanada is facing widespread winter weather, with freezing rain in Saskatchewan, extreme cold in Toronto and heavy snow expected in Nova Scotia.WeatherJan 31
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Southern Ontario under cold warnings with frigid wind chill near -40 CEnvironment Canada warns of dangerous wind chills across southern Ontario, with temperatures feeling as cold as -40 C in some areas and frostbite possible within minutes.WeatherJan 30
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Fact File: Don’t be fooled by AI videos of Toronto snowstormAs Toronto residents dig out from a record-breaking winter storm, some videos that seemingly show the snow's aftermath are creating confusion online.WeatherJan 29
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Southern Ontario could feel as cold as -38 as weather alerts issuedEnvironment Canada has issued yellow-level cold weather alerts across a large portion of southern Ontario as temperatures are set to plunge.WeatherJan 29
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Ontario city under month-long ‘high alert’ over 300 cm of snowfallBarrie remains under a significant weather event that was declared more than a month ago. The city has seen nearly 300 centimetres of snowfall so far this season.WeatherJan 29
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Niagara Falls partly freezes, creating ‘dazzling’ viewsThough a complete freeze is near impossible, a mixture of frozen surface water and mist can create the appearance that Niagara Falls has frozen.CanadaJan 28
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Toronto sidewalk clearing needs improvement after snowstorm, city officials sayThe city says it is receiving 3,000 to 4,000 calls daily, including many calls from residents reporting issues related to blocked sidewalks.WeatherJan 28
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Toronto snowstorm highlights accessibility issues, disability advocates sayEvery winter, David Lepofsky uses the same strategy to navigate frigid temperatures in Toronto: walking as fast as possible to get to his destination.WeatherJan 27
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Shovelling snow can put strain on your heart. How to stay safe as millions dig outAs Torontonians dig out from more than 40 cm of snow, health-care professionals are urging people to take precautions to avoid straining their heart when shovelling.WeatherJan 26
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Snow day: Toronto digs itself out of mountains of snow after record stormToronto is digging itself out of mountains of snow on Monday after a massive winter storm on Sunday dumped around 50 centimetres of the white stuff — or more — in the city.WeatherJan 26
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Flights, schools cancelled in GTA as Ontario winter storm wallops regionA winter storm could bring up to 40 centimetres of snow to the Greater Toronto Area, with more than 20 cm and freezing temperatures expected in other parts of Ontario.WeatherJan 25
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Toronto area under a snowfall warning as more snow on the wayEnvironment Canada has issued another yellow-level snowfall warning for the Toronto area on Wednesday as more snow descends on the region.WeatherJan 21
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2025 is in the top 10 for Canada’s severe weather-related insured lossesA new report found that 2025 ranks in the top 10 years of all time for the most insured damages caused by severe weather in Canada.WeatherJan 20
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