Weather for the next 15 days in Sarnia, an urban area in Ontario, Canada.

Weather in Sarnia for today, Sunday, 20 Sep 2026

Sunrise: 07:10
Sunset: 19:26
Moonrise: 16:39
Moonset: 00:27
UV Index: 1
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Overcast Light rainLight rainOvercast Overcast Overcast Overcast
Temperature14°C14°C13°C12°C13°C15°C16°C15°C
Feels Like13°C13°C12°C10°C11°C15°C16°C14°C
Precipitation0 mm0 mm1.4 mm0.8 mm0 mm0 mm0 mm0 mm
Probability15 %15 %70 %71 %28 %17 %19 %15 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %99 %
Wind Speed14 km/h13 km/h11 km/h14 km/h13 km/h12 km/h10 km/h14 km/h
Wind DirectionEENENENENENEENE
Wind Gusts26 km/h24 km/h23 km/h28 km/h22 km/h20 km/h15 km/h35 km/h
Humidity63 %61 %80 %93 %88 %68 %72 %64 %
Dew Point7°C6°C9°C10°C11°C9°C11°C8°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for tomorrow, Monday, 21 Sep 2026

Sunrise: 07:11
Sunset: 19:24
Moonrise: 17:11
Moonset: 01:31
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
Temperature12°C11°C8°C12°C16°C15°C11°C11°C
Feels Like10°C8°C5°C10°C16°C13°C9°C9°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability18 %19 %25 %17 %11 %11 %13 %12 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed16 km/h21 km/h25 km/h32 km/h27 km/h26 km/h27 km/h26 km/h
Wind DirectionNEENEENEENEEENEENEENE
Wind Gusts41 km/h46 km/h52 km/h40 km/h31 km/h31 km/h47 km/h48 km/h
Humidity69 %72 %81 %67 %48 %47 %53 %49 %
Dew Point6°C6°C5°C7°C5°C4°C2°C1°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Tuesday, 22 Sep 2026

Sunrise: 07:13
Sunset: 19:22
Moonrise: 17:38
Moonset: 02:36
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Light drizzlePatchy rain nearbyPatchy rain nearbyOvercast Overcast Patchy rain nearbyLight rain shower
Temperature11°C10°C9°C10°C11°C12°C12°C10°C
Feels Like8°C7°C6°C6°C8°C10°C9°C7°C
Precipitation0 mm0.2 mm0 mm0 mm0 mm0 mm0 mm0.6 mm
Probability13 %35 %32 %29 %26 %22 %25 %64 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed26 km/h26 km/h26 km/h31 km/h35 km/h33 km/h33 km/h33 km/h
Wind DirectionENEENEENEENEENEENEENEE
Wind Gusts47 km/h49 km/h57 km/h59 km/h58 km/h50 km/h52 km/h57 km/h
Humidity55 %70 %87 %86 %83 %77 %77 %90 %
Dew Point2°C5°C7°C8°C9°C9°C8°C9°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Wednesday, 23 Sep 2026

Sunrise: 07:14
Sunset: 19:21
Moonrise: 18:01
Moonset: 03:44
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
Light rain showerLight rain showerLight rain showerPatchy rain nearbyLight rain showerLight rain showerPatchy rain nearbyPatchy rain nearby
Temperature9°C9°C8°C8°C8°C8°C8°C9°C
Feels Like5°C5°C5°C4°C4°C5°C5°C5°C
Precipitation0.3 mm1.2 mm1 mm0.1 mm0.2 mm0.3 mm0 mm0 mm
Probability54 %77 %76 %41 %51 %57 %37 %37 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed33 km/h31 km/h29 km/h27 km/h25 km/h24 km/h25 km/h25 km/h
Wind DirectionENEENEENEENEENEENEENEENE
Wind Gusts58 km/h54 km/h50 km/h50 km/h48 km/h46 km/h45 km/h44 km/h
Humidity92 %94 %94 %95 %96 %96 %96 %97 %
Dew Point8°C8°C8°C7°C7°C7°C8°C8°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Thursday, 24 Sep 2026

Sunrise: 07:15
Sunset: 19:19
Moonrise: 18:21
Moonset: 04:52
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
Patchy rain nearbyPatchy rain nearbyLight rain showerPatchy rain nearbyOvercast Overcast Overcast Overcast
Temperature9°C10°C10°C11°C12°C11°C10°C10°C
Feels Like6°C7°C8°C9°C10°C9°C8°C8°C
Precipitation0 mm0 mm0.2 mm0.1 mm0 mm0 mm0 mm0 mm
Probability35 %36 %49 %41 %30 %31 %33 %32 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed22 km/h19 km/h16 km/h17 km/h18 km/h18 km/h18 km/h18 km/h
Wind DirectionENEENEENENENENENENE
Wind Gusts39 km/h36 km/h31 km/h31 km/h27 km/h31 km/h36 km/h39 km/h
Humidity98 %98 %98 %96 %90 %92 %96 %94 %
Dew Point9°C10°C10°C10°C10°C10°C9°C9°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Friday, 25 Sep 2026

Sunrise: 07:16
Sunset: 19:17
Moonrise: 18:42
Moonset: 06:00
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Partly Cloudy Overcast SunnySunnySunnyClear Clear
Temperature10°C10°C10°C15°C18°C18°C14°C11°C
Feels Like7°C8°C8°C13°C18°C18°C13°C10°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability31 %20 %24 %1 %1 %1 %6 %8 %
Cloud Cover100 %45 %100 %0 %0 %0 %0 %0 %
Wind Speed16 km/h13 km/h12 km/h18 km/h15 km/h15 km/h11 km/h11 km/h
Wind DirectionNENNENENENNENNENNE
Wind Gusts34 km/h27 km/h30 km/h24 km/h19 km/h18 km/h13 km/h12 km/h
Humidity92 %94 %80 %44 %38 %43 %70 %75 %
Dew Point8°C9°C6°C3°C4°C6°C9°C7°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Saturday, 26 Sep 2026

Sunrise: 07:17
Sunset: 19:15
Moonrise: 19:02
Moonset: 07:10
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnySunnyClear Clear
Temperature10°C10°C10°C16°C20°C20°C14°C12°C
Feels Like9°C9°C9°C16°C20°C20°C13°C10°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability6 %6 %7 %2 %1 %1 %4 %11 %
Cloud Cover0 %0 %0 %0 %0 %0 %0 %0 %
Wind Speed11 km/h9 km/h10 km/h13 km/h12 km/h10 km/h12 km/h13 km/h
Wind DirectionNEENEENEESEESEESESEE
Wind Gusts25 km/h9 km/h13 km/h15 km/h13 km/h11 km/h12 km/h21 km/h
Humidity71 %72 %73 %47 %34 %35 %62 %84 %
Dew Point5°C5°C5°C5°C3°C4°C7°C9°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Sunday, 27 Sep 2026

Sunrise: 07:18
Sunset: 19:13
Moonrise: 19:25
Moonset: 08:22
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnyOvercast Cloudy Clear
Temperature11°C11°C12°C18°C20°C19°C15°C13°C
Feels Like9°C10°C12°C18°C20°C19°C14°C12°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability11 %15 %13 %3 %1 %10 %9 %5 %
Cloud Cover0 %0 %0 %5 %5 %100 %63 %5 %
Wind Speed12 km/h12 km/h9 km/h13 km/h17 km/h14 km/h10 km/h12 km/h
Wind DirectionEESESESSESSESSEESEESE
Wind Gusts24 km/h16 km/h10 km/h16 km/h17 km/h16 km/h10 km/h16 km/h
Humidity86 %94 %89 %54 %41 %40 %62 %66 %
Dew Point9°C10°C11°C9°C7°C6°C7°C7°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Monday, 28 Sep 2026

Sunrise: 07:19
Sunset: 19:12
Moonrise: 19:51
Moonset: 09:37
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Partly Cloudy Clear SunnySunnySunnySunnyClear Clear
Temperature12°C11°C11°C17°C20°C19°C14°C12°C
Feels Like10°C10°C10°C17°C20°C19°C13°C12°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability17 %11 %13 %3 %1 %2 %7 %9 %
Cloud Cover50 %5 %5 %7 %7 %10 %4 %4 %
Wind Speed12 km/h10 km/h10 km/h15 km/h16 km/h13 km/h10 km/h4 km/h
Wind DirectionESESSESESSESSSSES
Wind Gusts15 km/h11 km/h12 km/h18 km/h18 km/h24 km/h28 km/h4 km/h
Humidity87 %83 %89 %58 %43 %44 %74 %77 %
Dew Point9°C9°C9°C8°C7°C6°C9°C8°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Tuesday, 29 Sep 2026

Sunrise: 07:20
Sunset: 19:10
Moonrise: 20:23
Moonset: 10:55
UV Index: 4
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Overcast Overcast Cloudy Overcast Overcast Overcast Overcast
Temperature11°C12°C13°C18°C19°C18°C17°C16°C
Feels Like11°C12°C13°C18°C19°C18°C17°C16°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability10 %24 %23 %10 %11 %12 %15 %17 %
Cloud Cover25 %100 %100 %83 %100 %99 %100 %100 %
Wind Speed5 km/h3 km/h1 km/h2 km/h2 km/h11 km/h9 km/h9 km/h
Wind DirectionSSWSWSEWNNWNEE
Wind Gusts5 km/h3 km/h1 km/h13 km/h3 km/h14 km/h10 km/h17 km/h
Humidity77 %80 %79 %51 %46 %53 %60 %67 %
Dew Point8°C9°C9°C8°C7°C8°C9°C10°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Wednesday, 30 Sep 2026

Sunrise: 07:22
Sunset: 19:08
Moonrise: 21:04
Moonset: 12:13
UV Index: 4
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Overcast Overcast Overcast Overcast Patchy rain nearbyPatchy rain nearbyLight rain shower
Temperature15°C14°C14°C15°C18°C17°C13°C13°C
Feels Like14°C13°C12°C15°C18°C17°C11°C10°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0.2 mm
Probability15 %15 %17 %17 %11 %17 %31 %44 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed11 km/h13 km/h19 km/h25 km/h26 km/h28 km/h25 km/h27 km/h
Wind DirectionEEEEENEEEE
Wind Gusts22 km/h32 km/h38 km/h38 km/h31 km/h38 km/h47 km/h50 km/h
Humidity62 %62 %66 %68 %44 %60 %86 %91 %
Dew Point8°C7°C7°C9°C6°C9°C11°C11°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Thursday, 01 Oct 2026

Sunrise: 07:23
Sunset: 19:06
Moonrise: 21:57
Moonset: 13:28
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
Light rain showerLight rain showerLight rain showerLight rain showerPatchy rain nearbyPatchy rain nearbyOvercast Overcast
Temperature12°C13°C12°C13°C13°C13°C13°C13°C
Feels Like10°C10°C10°C11°C11°C11°C10°C11°C
Precipitation0.9 mm0.4 mm0.9 mm1.7 mm0.1 mm0.1 mm0 mm0 mm
Probability74 %59 %74 %81 %42 %39 %32 %31 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed27 km/h27 km/h25 km/h22 km/h23 km/h27 km/h23 km/h21 km/h
Wind DirectionEESEESEESEESEESEESEESE
Wind Gusts51 km/h48 km/h46 km/h42 km/h40 km/h43 km/h42 km/h40 km/h
Humidity93 %95 %95 %97 %95 %94 %93 %92 %
Dew Point11°C12°C11°C13°C12°C12°C12°C11°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Friday, 02 Oct 2026

Sunrise: 07:24
Sunset: 19:04
Moonrise: 23:01
Moonset: 14:33
UV Index: 4
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Overcast Overcast Patchy rain nearbyPatchy rain nearbyPatchy rain nearbyPatchy rain nearbyOvercast
Temperature13°C12°C12°C13°C16°C16°C14°C13°C
Feels Like11°C11°C11°C12°C16°C16°C13°C12°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability32 %33 %34 %35 %23 %23 %23 %29 %
Cloud Cover100 %100 %100 %100 %96 %89 %55 %100 %
Wind Speed18 km/h17 km/h14 km/h14 km/h13 km/h14 km/h10 km/h11 km/h
Wind DirectionEEEEEEENENE
Wind Gusts33 km/h31 km/h26 km/h25 km/h16 km/h19 km/h15 km/h26 km/h
Humidity94 %96 %96 %93 %77 %76 %91 %88 %
Dew Point12°C12°C12°C12°C12°C11°C12°C11°C
000102030405060708091011121314151617181920212223

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