Weather for the next 7 days in Sarnia, an urban area in Ontario, Canada.

Weather in Sarnia for today, Wednesday, 18 Feb 2026

Sunrise: 07:18
Sunset: 18:00
Moonrise: 07:52
Moonset: 19:35
UV Index: 0		02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Light rainModerate rainModerate rainModerate or heavy rain in area with thunderModerate or heavy rain in area with thunderOvercast Overcast
Temperature1°C1°C1°C1°C2°C2°C2°C1°C
Feels Like-4°C-4°C-4°C-3°C-1°C2°C2°C-2°C
Precipitation0 mm1.4 mm4.3 mm2.8 mm3.5 mm1.1 mm0 mm0 mm
Probability0 %100 %100 %100 %100 %100 %0 %0 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed20 km/h28 km/h33 km/h33 km/h27 km/h21 km/h20 km/h17 km/h
Wind DirectionEEEEEEEE
Wind Gusts35 km/h44 km/h49 km/h50 km/h39 km/h32 km/h30 km/h28 km/h
Humidity100 %99 %99 %99 %99 %100 %100 %96 %
Dew Point1°C1°C1°C1°C1°C3°C2°C-2°C
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Weather in Sarnia for tomorrow, Thursday, 19 Feb 2026

Sunrise: 07:17
Sunset: 18:02
Moonrise: 08:12
Moonset: 20:46
UV Index: 0		02:0005:0008:0011:0014:0017:0020:0023:00
FogOvercast Overcast Overcast Overcast Overcast Overcast Fog
Temperature0°C-1°C0°C1°C2°C1°C0°C1°C
Feels Like-3°C-5°C-5°C-4°C-3°C-4°C-5°C-4°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed17 km/h17 km/h21 km/h21 km/h21 km/h21 km/h23 km/h28 km/h
Wind DirectionESEESEESEEEEEE
Wind Gusts25 km/h25 km/h28 km/h26 km/h26 km/h36 km/h49 km/h49 km/h
Humidity100 %93 %93 %98 %98 %98 %98 %100 %
Dew Point1°C-2°C-2°C1°C2°C1°C0°C2°C
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Weather in Sarnia for Friday, 20 Feb 2026

Sunrise: 07:15
Sunset: 18:03
Moonrise: 08:32
Moonset: 22:00
UV Index: 0		02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Light drizzleLight drizzlePatchy rain nearbyFogPatchy rain nearbyBlizzardOvercast
Temperature0°C1°C2°C2°C2°C3°C1°C1°C
Feels Like-6°C-5°C-4°C-4°C0°C-1°C-5°C-5°C
Precipitation0 mm0.7 mm0.2 mm0.1 mm0 mm0 mm0.3 mm0 mm
Probability0 %100 %100 %100 %0 %81 %100 %0 %
Cloud Cover100 %100 %100 %100 %100 %100 %98 %100 %
Wind Speed29 km/h28 km/h28 km/h26 km/h8 km/h24 km/h30 km/h31 km/h
Wind DirectionEEEEESEWSWWSWW
Wind Gusts48 km/h47 km/h49 km/h41 km/h14 km/h37 km/h42 km/h44 km/h
Humidity98 %97 %98 %98 %97 %79 %90 %98 %
Dew Point0°C0°C2°C1°C2°C1°C-1°C0°C
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Weather in Sarnia for Saturday, 21 Feb 2026

Sunrise: 07:14
Sunset: 18:04
Moonrise: 08:55
Moonset: 23:16
UV Index: 0		02:0005:0008:0011:0014:0017:0020:0023:00
Light freezing rainLight freezing rainLight snowLight freezing rainOvercast Overcast Overcast Light snow
Temperature0°C-1°C-1°C0°C2°C1°C0°C0°C
Feels Like-5°C-6°C-6°C-4°C0°C-1°C-3°C-4°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability76 %69 %75 %65 %0 %0 %0 %24 %
Cloud Cover100 %84 %92 %99 %100 %100 %100 %100 %
Wind Speed24 km/h22 km/h19 km/h18 km/h9 km/h6 km/h10 km/h12 km/h
Wind DirectionWWWWNWWNNWNNWNNW
Wind Gusts34 km/h31 km/h24 km/h21 km/h11 km/h8 km/h14 km/h16 km/h
Humidity82 %85 %89 %76 %78 %86 %93 %94 %
Dew Point-2°C-3°C-3°C-4°C-1°C-1°C-1°C-1°C
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Weather in Sarnia for Sunday, 22 Feb 2026

Sunrise: 07:12
Sunset: 18:05
Moonrise: 09:21
Moonset: 19:00
UV Index: 1		02:0005:0008:0011:0014:0017:0020:0023:00
Light freezing rainOvercast Light freezing rainBlowing snowLight snowOvercast Overcast Blowing snow
Temperature-1°C-2°C-3°C-2°C-2°C-3°C-5°C-6°C
Feels Like-5°C-8°C-9°C-9°C-9°C-11°C-13°C-15°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability70 %45 %20 %68 %83 %56 %0 %25 %
Cloud Cover100 %100 %100 %100 %94 %89 %100 %100 %
Wind Speed13 km/h20 km/h24 km/h26 km/h29 km/h32 km/h34 km/h34 km/h
Wind DirectionNNWNNWNWNWNWNWNWNW
Wind Gusts18 km/h27 km/h31 km/h30 km/h34 km/h39 km/h43 km/h42 km/h
Humidity93 %89 %84 %74 %69 %68 %69 %71 %
Dew Point-2°C-4°C-5°C-6°C-7°C-8°C-10°C-10°C
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Weather in Sarnia for Monday, 23 Feb 2026

Sunrise: 07:11
Sunset: 18:07
Moonrise: 09:54
Moonset: 00:34
UV Index: 1		02:0005:0008:0011:0014:0017:0020:0023:00
Blowing snowBlowing snowBlowing snowBlowing snowBlowing snowBlowing snowLight snowLight snow
Temperature-6°C-7°C-8°C-8°C-9°C-11°C-13°C-13°C
Feels Like-15°C-16°C-18°C-18°C-19°C-21°C-22°C-21°C
Precipitation0 mm0.1 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability70 %100 %77 %66 %74 %74 %72 %70 %
Cloud Cover100 %99 %98 %100 %100 %100 %100 %100 %
Wind Speed33 km/h30 km/h32 km/h36 km/h39 km/h36 km/h27 km/h18 km/h
Wind DirectionNWNNWNNWNNWNWNWNWNNW
Wind Gusts40 km/h38 km/h40 km/h41 km/h44 km/h42 km/h34 km/h23 km/h
Humidity79 %80 %76 %68 %64 %68 %75 %77 %
Dew Point-10°C-10°C-12°C-13°C-14°C-16°C-16°C-16°C
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Weather in Sarnia for Tuesday, 24 Feb 2026

Sunrise: 07:09
Sunset: 18:08
Moonrise: 10:35
Moonset: 01:52
UV Index: 1		02:0005:0008:0011:0014:0017:0020:0023:00
Light snowLight snowOvercast Overcast Partly Cloudy Cloudy Light freezing rainOvercast
Temperature-13°C-13°C-12°C-10°C-8°C-7°C-7°C-7°C
Feels Like-21°C-21°C-19°C-16°C-14°C-12°C-12°C-13°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability85 %79 %46 %0 %0 %0 %22 %43 %
Cloud Cover100 %100 %100 %100 %83 %60 %79 %78 %
Wind Speed15 km/h16 km/h14 km/h12 km/h11 km/h10 km/h12 km/h17 km/h
Wind DirectionNWNWNWWNWWSWSSSE
Wind Gusts19 km/h22 km/h19 km/h14 km/h13 km/h13 km/h16 km/h23 km/h
Humidity78 %78 %72 %56 %44 %44 %52 %65 %
Dew Point-16°C-16°C-17°C-18°C-18°C-17°C-15°C-12°C
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