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

Weather in Sarnia for today, Thursday, 15 Oct 2026

Sunrise: 07:39
Sunset: 18:42
Moonrise: 13:02
Moonset: 21:22
UV Index: 4		02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Overcast Overcast Partly Cloudy Cloudy Cloudy Light drizzleModerate rain
Temperature9°C8°C7°C12°C16°C16°C10°C9°C
Feels Like7°C6°C5°C10°C16°C16°C7°C6°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0.5 mm3.8 mm
Probability20 %23 %23 %8 %8 %9 %60 %88 %
Cloud Cover89 %100 %100 %55 %79 %86 %100 %100 %
Wind Speed11 km/h12 km/h13 km/h20 km/h18 km/h19 km/h19 km/h23 km/h
Wind DirectionNEENEENEESEESEESEEE
Wind Gusts23 km/h28 km/h31 km/h24 km/h19 km/h23 km/h36 km/h41 km/h
Humidity76 %79 %78 %60 %48 %47 %78 %94 %
Dew Point5°C4°C4°C5°C5°C5°C6°C8°C
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Weather in Sarnia for tomorrow, Friday, 16 Oct 2026

Sunrise: 07:40
Sunset: 18:40
Moonrise: 13:53
Moonset: 22:16
UV Index: 2		02:0005:0008:0011:0014:0017:0020:0023:00
Light rainCloudy Light drizzleLight drizzleLight drizzlePatchy rain nearbyPatchy rain nearbyClear
Temperature11°C15°C14°C13°C13°C9°C7°C5°C
Feels Like9°C15°C13°C10°C10°C6°C3°C1°C
Precipitation2.4 mm0 mm0.4 mm0.7 mm0.6 mm0.1 mm0 mm0 mm
Probability86 %31 %68 %74 %64 %34 %23 %11 %
Cloud Cover100 %87 %100 %100 %100 %100 %90 %12 %
Wind Speed11 km/h19 km/h25 km/h28 km/h31 km/h32 km/h27 km/h25 km/h
Wind DirectionEWWSWWWNWNWNNWN
Wind Gusts17 km/h51 km/h52 km/h47 km/h45 km/h48 km/h47 km/h47 km/h
Humidity98 %98 %98 %93 %80 %82 %82 %83 %
Dew Point10°C15°C14°C12°C9°C6°C4°C3°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Saturday, 17 Oct 2026

Sunrise: 07:41
Sunset: 18:39
Moonrise: 14:35
Moonset: 23:17
UV Index: 3		02:0005:0008:0011:0014:0017:0020:0023:00
Cloudy Clear SunnySunnySunnySunnyClear Clear
Temperature4°C2°C1°C5°C8°C8°C4°C3°C
Feels Like-1°C-3°C-3°C1°C6°C6°C2°C0°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability21 %10 %13 %2 %1 %2 %4 %5 %
Cloud Cover74 %5 %5 %5 %0 %0 %0 %0 %
Wind Speed23 km/h23 km/h16 km/h18 km/h13 km/h15 km/h9 km/h13 km/h
Wind DirectionNNNNENNWWNWWSWSW
Wind Gusts47 km/h48 km/h42 km/h26 km/h16 km/h18 km/h9 km/h32 km/h
Humidity85 %81 %75 %51 %41 %47 %63 %60 %
Dew Point1°C-1°C-3°C-4°C-4°C-2°C-2°C-4°C
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Weather in Sarnia for Sunday, 18 Oct 2026

Sunrise: 07:42
Sunset: 18:37
Moonrise: 15:09
Moonset: 19:00
UV Index: 4		02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnySunnyClear Clear
Temperature3°C3°C3°C11°C15°C14°C9°C8°C
Feels Like0°C0°C0°C8°C13°C12°C6°C6°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability4 %5 %5 %1 %1 %1 %4 %6 %
Cloud Cover0 %0 %0 %0 %0 %0 %0 %0 %
Wind Speed13 km/h13 km/h14 km/h26 km/h26 km/h23 km/h14 km/h14 km/h
Wind DirectionSWSWSWSWSWSSWSSWSSW
Wind Gusts34 km/h39 km/h43 km/h41 km/h34 km/h35 km/h44 km/h44 km/h
Humidity59 %60 %61 %42 %35 %44 %64 %68 %
Dew Point-4°C-4°C-4°C-1°C0°C2°C2°C3°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Monday, 19 Oct 2026

Sunrise: 07:44
Sunset: 18:36
Moonrise: 15:38
Moonset: 00:21
UV Index: 5		02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnyOvercast Overcast Overcast Overcast
Temperature8°C7°C7°C14°C18°C17°C11°C10°C
Feels Like5°C4°C4°C13°C18°C17°C10°C9°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability7 %9 %9 %2 %10 %11 %15 %17 %
Cloud Cover0 %0 %0 %5 %100 %100 %100 %100 %
Wind Speed13 km/h13 km/h13 km/h20 km/h23 km/h18 km/h13 km/h12 km/h
Wind DirectionSWSWSWSWSWWSWSSWWSW
Wind Gusts41 km/h37 km/h35 km/h32 km/h30 km/h28 km/h28 km/h28 km/h
Humidity73 %78 %78 %49 %38 %45 %60 %66 %
Dew Point3°C3°C3°C4°C3°C5°C4°C4°C
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Weather in Sarnia for Tuesday, 20 Oct 2026

Sunrise: 07:45
Sunset: 18:34
Moonrise: 16:02
Moonset: 01:27
UV Index: 5		02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Overcast Overcast Cloudy Overcast SunnyClear Clear
Temperature10°C9°C10°C15°C18°C18°C11°C10°C
Feels Like9°C8°C9°C15°C18°C18°C10°C9°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability18 %19 %19 %11 %9 %1 %5 %6 %
Cloud Cover100 %100 %100 %86 %88 %1 %0 %0 %
Wind Speed10 km/h8 km/h5 km/h7 km/h10 km/h11 km/h8 km/h8 km/h
Wind DirectionWSWWWNWWSWWWNWNNE
Wind Gusts15 km/h8 km/h5 km/h9 km/h12 km/h12 km/h8 km/h8 km/h
Humidity68 %71 %71 %56 %44 %46 %68 %70 %
Dew Point4°C4°C5°C6°C6°C6°C5°C5°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Wednesday, 21 Oct 2026

Sunrise: 07:46
Sunset: 18:32
Moonrise: 16:23
Moonset: 02:33
UV Index: 5		02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnyOvercast Cloudy Clear Clear
Temperature9°C8°C7°C14°C18°C17°C12°C9°C
Feels Like7°C6°C5°C14°C18°C17°C11°C7°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability10 %14 %7 %2 %11 %8 %7 %14 %
Cloud Cover0 %5 %1 %0 %100 %79 %6 %5 %
Wind Speed8 km/h9 km/h10 km/h9 km/h6 km/h8 km/h9 km/h11 km/h
Wind DirectionENEENEEESEESEESEESEE
Wind Gusts8 km/h9 km/h11 km/h10 km/h21 km/h22 km/h11 km/h17 km/h
Humidity83 %90 %74 %48 %45 %46 %72 %91 %
Dew Point6°C6°C3°C3°C5°C6°C7°C8°C
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