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

Weather in Sarnia for today, Tuesday, 04 Aug 2026

Sunrise: 06:19
Sunset: 20:42
Moonrise: 23:16
Moonset: 12:47
UV Index: 9
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnySunnySunnyClear
Temperature13°C11°C13°C24°C28°C29°C20°C17°C
Feels Like14°C11°C13°C25°C28°C29°C20°C17°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability10 %13 %13 %2 %1 %1 %6 %3 %
Cloud Cover2 %2 %12 %0 %0 %4 %0 %0 %
Wind Speed5 km/h3 km/h1 km/h8 km/h8 km/h12 km/h9 km/h10 km/h
Wind DirectionENEESENNESSSWSSSE
Wind Gusts11 km/h5 km/h1 km/h10 km/h9 km/h14 km/h18 km/h20 km/h
Humidity81 %89 %88 %50 %38 %42 %71 %57 %
Dew Point10°C9°C11°C13°C12°C15°C15°C9°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for tomorrow, Wednesday, 05 Aug 2026

Sunrise: 06:20
Sunset: 20:41
Moonrise: 23:45
Moonset: 14:01
UV Index: 8
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnyPartly Cloudy SunnySunnySunnyClear
Temperature15°C14°C18°C25°C28°C29°C23°C19°C
Feels Like15°C14°C18°C26°C29°C30°C25°C19°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability2 %5 %6 %4 %3 %2 %9 %10 %
Cloud Cover0 %0 %0 %26 %25 %9 %6 %5 %
Wind Speed6 km/h3 km/h6 km/h9 km/h13 km/h15 km/h10 km/h8 km/h
Wind DirectionSWNWSESSWWSWSSWSS
Wind Gusts13 km/h6 km/h12 km/h10 km/h15 km/h18 km/h21 km/h16 km/h
Humidity53 %66 %70 %55 %50 %52 %78 %82 %
Dew Point6°C8°C13°C16°C17°C18°C19°C16°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Thursday, 06 Aug 2026

Sunrise: 06:21
Sunset: 20:40
Moonrise: 19:00
Moonset: 15:19
UV Index: 8
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnyPatchy rain nearbyLight rain showerPatchy rain nearbyPartly Cloudy Partly Cloudy
Temperature19°C19°C22°C26°C27°C28°C23°C19°C
Feels Like19°C19°C22°C28°C30°C30°C25°C19°C
Precipitation0 mm0 mm0 mm0.8 mm0.5 mm0.2 mm0 mm0 mm
Probability11 %14 %12 %56 %38 %23 %14 %18 %
Cloud Cover8 %21 %6 %71 %57 %73 %50 %34 %
Wind Speed6 km/h10 km/h9 km/h20 km/h22 km/h15 km/h9 km/h8 km/h
Wind DirectionSSESSSWWSWWNWN
Wind Gusts14 km/h20 km/h16 km/h28 km/h36 km/h20 km/h16 km/h17 km/h
Humidity83 %88 %86 %82 %73 %67 %80 %93 %
Dew Point16°C17°C20°C22°C22°C21°C20°C18°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Friday, 07 Aug 2026

Sunrise: 06:22
Sunset: 20:38
Moonrise: 00:21
Moonset: 16:35
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Partly Cloudy Patchy rain nearbyPatchy rain nearbyLight rain showerPartly Cloudy Light rain showerPartly Cloudy Mist
Temperature19°C19°C21°C21°C24°C25°C22°C20°C
Feels Like19°C19°C21°C21°C26°C27°C25°C20°C
Precipitation0 mm0.1 mm0.1 mm1.3 mm0 mm0.9 mm0 mm0 mm
Probability18 %32 %41 %72 %15 %67 %17 %23 %
Cloud Cover36 %86 %100 %74 %52 %100 %34 %32 %
Wind Speed5 km/h7 km/h6 km/h9 km/h10 km/h13 km/h8 km/h7 km/h
Wind DirectionENESSWWSWSWWSWSWSS
Wind Gusts11 km/h14 km/h11 km/h13 km/h16 km/h19 km/h14 km/h14 km/h
Humidity92 %91 %93 %96 %81 %85 %91 %96 %
Dew Point17°C18°C20°C20°C21°C22°C21°C20°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Saturday, 08 Aug 2026

Sunrise: 06:23
Sunset: 20:37
Moonrise: 01:10
Moonset: 17:46
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
MistMistPartly Cloudy Patchy rain nearbySunnySunnySunnyClear
Temperature20°C19°C21°C26°C29°C29°C24°C20°C
Feels Like20°C19°C21°C28°C30°C30°C26°C20°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability26 %25 %18 %14 %1 %2 %11 %14 %
Cloud Cover43 %41 %30 %67 %0 %5 %9 %0 %
Wind Speed5 km/h5 km/h1 km/h6 km/h8 km/h13 km/h11 km/h13 km/h
Wind DirectionSSWSWWWSWWSSWSS
Wind Gusts10 km/h10 km/h2 km/h7 km/h9 km/h15 km/h22 km/h28 km/h
Humidity96 %97 %93 %73 %48 %49 %83 %91 %
Dew Point19°C19°C20°C21°C17°C18°C21°C19°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Sunday, 09 Aug 2026

Sunrise: 06:24
Sunset: 20:36
Moonrise: 02:11
Moonset: 18:46
UV Index: 8
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnySunnySunnyPartly Cloudy
Temperature19°C19°C21°C28°C30°C33°C29°C28°C
Feels Like19°C19°C21°C30°C34°C37°C32°C29°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability13 %15 %12 %5 %4 %3 %4 %5 %
Cloud Cover0 %6 %0 %0 %8 %19 %9 %29 %
Wind Speed12 km/h9 km/h10 km/h19 km/h31 km/h31 km/h33 km/h25 km/h
Wind DirectionSSWSSWSWSSWSSWSWWNW
Wind Gusts24 km/h20 km/h18 km/h22 km/h36 km/h38 km/h55 km/h37 km/h
Humidity89 %93 %88 %69 %64 %52 %62 %58 %
Dew Point18°C18°C19°C22°C23°C22°C21°C19°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Monday, 10 Aug 2026

Sunrise: 06:25
Sunset: 20:34
Moonrise: 03:26
Moonset: 19:33
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Cloudy Clear Partly Cloudy Partly Cloudy Partly Cloudy SunnySunnyClear
Temperature20°C16°C18°C22°C23°C25°C20°C16°C
Feels Like20°C16°C18°C24°C25°C25°C20°C16°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability25 %13 %13 %5 %4 %1 %3 %4 %
Cloud Cover79 %8 %57 %48 %27 %6 %4 %3 %
Wind Speed17 km/h11 km/h12 km/h13 km/h14 km/h13 km/h11 km/h12 km/h
Wind DirectionNNWNWNWNNWWNWNNWNNWNE
Wind Gusts26 km/h23 km/h18 km/h15 km/h16 km/h15 km/h21 km/h25 km/h
Humidity90 %88 %75 %53 %52 %44 %59 %62 %
Dew Point18°C14°C13°C12°C13°C12°C12°C9°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Tuesday, 11 Aug 2026

Sunrise: 06:26
Sunset: 20:33
Moonrise: 04:46
Moonset: 20:10
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnyPatchy rain nearbyModerate rain at timesPartly Cloudy Overcast Mist
Temperature15°C14°C16°C17°C16°C15°C16°C15°C
Feels Like14°C14°C16°C17°C16°C15°C16°C15°C
Precipitation0 mm0 mm0 mm0 mm2.9 mm0 mm0 mm0 mm
Probability4 %5 %5 %17 %80 %20 %29 %39 %
Cloud Cover6 %20 %18 %81 %74 %45 %90 %100 %
Wind Speed11 km/h8 km/h9 km/h7 km/h12 km/h15 km/h8 km/h6 km/h
Wind DirectionNEENEEEEEESEE
Wind Gusts23 km/h17 km/h18 km/h13 km/h18 km/h26 km/h12 km/h14 km/h
Humidity64 %63 %62 %69 %92 %94 %93 %96 %
Dew Point8°C7°C9°C11°C14°C14°C15°C14°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Wednesday, 12 Aug 2026

Sunrise: 06:28
Sunset: 20:31
Moonrise: 06:08
Moonset: 20:38
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
MistMistLight rain showerLight rain showerLight rain showerPatchy rain nearbySunnyClear
Temperature16°C17°C20°C21°C23°C20°C19°C14°C
Feels Like16°C17°C20°C21°C25°C20°C19°C13°C
Precipitation0 mm0 mm0.4 mm0.3 mm1.2 mm0 mm0 mm0 mm
Probability26 %30 %63 %53 %76 %35 %12 %15 %
Cloud Cover47 %66 %100 %100 %100 %100 %13 %5 %
Wind Speed5 km/h7 km/h9 km/h15 km/h16 km/h22 km/h16 km/h12 km/h
Wind DirectionSESSWSSWWNNWNNWN
Wind Gusts11 km/h13 km/h14 km/h21 km/h27 km/h31 km/h27 km/h26 km/h
Humidity96 %97 %99 %97 %92 %93 %84 %93 %
Dew Point15°C17°C20°C21°C22°C19°C16°C13°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Thursday, 13 Aug 2026

Sunrise: 06:29
Sunset: 20:30
Moonrise: 07:27
Moonset: 21:03
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnyPartly Cloudy Partly Cloudy SunnyClear
Temperature13°C12°C15°C22°C24°C24°C18°C16°C
Feels Like12°C11°C14°C22°C25°C25°C18°C16°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability14 %14 %13 %3 %4 %4 %5 %5 %
Cloud Cover2 %0 %0 %0 %46 %32 %9 %15 %
Wind Speed10 km/h10 km/h9 km/h11 km/h8 km/h23 km/h12 km/h10 km/h
Wind DirectionNNWNNWNNWNNNWNWNNWN
Wind Gusts20 km/h20 km/h17 km/h12 km/h10 km/h28 km/h25 km/h21 km/h
Humidity92 %92 %89 %61 %45 %51 %65 %64 %
Dew Point12°C11°C13°C14°C12°C13°C12°C9°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Friday, 14 Aug 2026

Sunrise: 06:30
Sunset: 20:28
Moonrise: 08:41
Moonset: 21:24
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnySunnySunnyPartly Cloudy
Temperature14°C13°C16°C23°C26°C26°C19°C18°C
Feels Like14°C13°C16°C25°C26°C26°C19°C18°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability5 %6 %5 %2 %1 %2 %5 %6 %
Cloud Cover5 %4 %7 %5 %9 %19 %10 %36 %
Wind Speed10 km/h6 km/h6 km/h5 km/h7 km/h7 km/h13 km/h10 km/h
Wind DirectionNNENNWWSWSSWSSWSSE
Wind Gusts20 km/h12 km/h12 km/h5 km/h8 km/h9 km/h26 km/h22 km/h
Humidity66 %69 %67 %46 %38 %41 %66 %59 %
Dew Point8°C8°C10°C11°C11°C12°C13°C10°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Saturday, 15 Aug 2026

Sunrise: 06:31
Sunset: 20:27
Moonrise: 09:53
Moonset: 21:45
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Partly Cloudy Partly Cloudy Light rainPatchy rain nearbyOvercast Thundery outbreaks in nearbyPatchy rain nearbyLight rain shower
Temperature20°C19°C17°C19°C28°C30°C25°C19°C
Feels Like20°C19°C17°C19°C30°C34°C28°C19°C
Precipitation0 mm0 mm1.2 mm0 mm0 mm0.1 mm0.1 mm1.1 mm
Probability6 %10 %77 %30 %14 %20 %32 %68 %
Cloud Cover45 %48 %100 %100 %92 %66 %80 %59 %
Wind Speed12 km/h14 km/h21 km/h25 km/h26 km/h15 km/h25 km/h19 km/h
Wind DirectionSSESESSESSWSSWNNWNW
Wind Gusts24 km/h28 km/h34 km/h36 km/h35 km/h19 km/h38 km/h30 km/h
Humidity57 %71 %94 %89 %65 %67 %90 %97 %
Dew Point11°C13°C16°C18°C20°C23°C23°C18°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Sunday, 16 Aug 2026

Sunrise: 06:32
Sunset: 20:25
Moonrise: 11:03
Moonset: 22:05
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast MistOvercast Partly Cloudy SunnyPartly Cloudy SunnyClear
Temperature18°C18°C17°C21°C25°C26°C20°C17°C
Feels Like18°C18°C17°C21°C26°C27°C20°C17°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability33 %36 %29 %10 %3 %4 %12 %15 %
Cloud Cover92 %87 %89 %45 %4 %26 %5 %8 %
Wind Speed15 km/h10 km/h13 km/h13 km/h8 km/h5 km/h11 km/h7 km/h
Wind DirectionNNWNENNEENEENEESSESSE
Wind Gusts24 km/h15 km/h17 km/h15 km/h9 km/h6 km/h20 km/h15 km/h
Humidity98 %96 %93 %72 %56 %54 %86 %93 %
Dew Point18°C18°C16°C16°C16°C16°C18°C16°C
000102030405060708091011121314151617181920212223

Weather in Sarnia for Monday, 17 Aug 2026

Sunrise: 06:33
Sunset: 20:24
Moonrise: 12:11
Moonset: 22:27
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear MistCloudy Partly Cloudy SunnySunnyMist
Temperature17°C16°C18°C23°C27°C29°C25°C23°C
Feels Like17°C16°C18°C26°C30°C32°C27°C25°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability13 %12 %21 %20 %9 %7 %13 %20 %
Cloud Cover11 %16 %21 %68 %34 %17 %17 %5 %
Wind Speed12 km/h10 km/h12 km/h15 km/h4 km/h23 km/h13 km/h10 km/h
Wind DirectionEESESESSEWSWSSWSES
Wind Gusts26 km/h22 km/h23 km/h19 km/h5 km/h26 km/h26 km/h21 km/h
Humidity87 %85 %95 %86 %73 %72 %87 %96 %
Dew Point15°C14°C17°C21°C22°C23°C23°C22°C
000102030405060708091011121314151617181920212223

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