Sarnia Weather Forecast

CURRENT CONDITIONS - March 13, 2026
-3°
Low of-3°
Feels like -7°CLast Updated: March 13, 2026 at 8:07 AMWeather information supplied by: OpenWeather API
POP:1%
Wind:16.55 km/h
Humidity:72%
UV:2.11
Sunrise:11:44 AM
Sunset:11:32 PM

Current Weather Alerts

Strong westerly winds expected late Friday afternoon and evening. What: Westerly winds gusting 70 to 90 km/h. Isolated utility outages possible. When: Friday afternoon and evening. Additional information: Strong southerly winds are expected to develop Friday morning with gusts up to 60 or 70 km/h possible. These winds are expected to further strengthen later in the afternoon or early evening and become more westerly with gusts of 70 to 90 km/h possible. Winds are expected to ease Friday night as the system responsible moves east of the region. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.

Sarnia Weather Forecast - Hourly

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-2°C

7 AM

-3°C

8 AM

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Sarnia Weather Forecast - Weekly

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Today
March 13
5°
-3°
Tomorrow
March 14
-1°
-4°
Sunday
March 15
2°
-2°
Monday
March 16
3°
-6°
Tuesday
March 17
-5°
-8°
Wednesday
March 18
-1°
-8°
Thursday
March 19
2°
0°
Friday
March 20
-1°
-2°

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