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

Weather in St. Thomas for today, Saturday, 16 May 2026

Sunrise: 06:01
Sunset: 20:43
Moonrise: 05:22
Moonset: 21:11
UV Index: 8
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnyPatchy rain nearbySunnySunnyPatchy rain nearbyMist
Temperature9°C8°C13°C15°C22°C25°C20°C17°C
Feels Like8°C7°C12°C15°C24°C27°C20°C17°C
Precipitation0 mm0 mm0 mm1 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %100 %0 %0 %76 %0 %
Cloud Cover0 %0 %0 %74 %4 %1 %83 %19 %
Wind Speed13 km/h15 km/h23 km/h28 km/h29 km/h23 km/h15 km/h12 km/h
Wind DirectionSSSSSWWSWWSWWSWSW
Wind Gusts27 km/h31 km/h35 km/h37 km/h39 km/h30 km/h28 km/h26 km/h
Humidity51 %78 %71 %83 %69 %51 %86 %95 %
Dew Point0°C5°C7°C12°C16°C18°C18°C16°C
000102030405060708091011121314151617181920212223

Weather in St. Thomas for tomorrow, Sunday, 17 May 2026

Sunrise: 06:00
Sunset: 20:44
Moonrise: 06:05
Moonset: 22:31
UV Index: 8
02:0005:0008:0011:0014:0017:0020:0023:00
MistClear SunnySunnySunnyPartly Cloudy Cloudy Patchy rain nearby
Temperature15°C13°C16°C20°C23°C21°C18°C16°C
Feels Like15°C12°C16°C20°C25°C21°C18°C16°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0.3 mm
Probability0 %0 %0 %0 %0 %0 %0 %100 %
Cloud Cover14 %0 %7 %4 %6 %41 %84 %85 %
Wind Speed12 km/h11 km/h8 km/h11 km/h15 km/h17 km/h9 km/h12 km/h
Wind DirectionWNESESSSSE
Wind Gusts24 km/h23 km/h13 km/h13 km/h18 km/h19 km/h16 km/h25 km/h
Humidity95 %92 %81 %64 %62 %73 %91 %97 %
Dew Point15°C11°C12°C13°C16°C17°C16°C15°C
000102030405060708091011121314151617181920212223

Weather in St. Thomas for Monday, 18 May 2026

Sunrise: 05:59
Sunset: 20:45
Moonrise: 07:01
Moonset: 23:40
UV Index: 9
02:0005:0008:0011:0014:0017:0020:0023:00
Light rain showerFogPartly Cloudy SunnySunnySunnyOvercast Clear
Temperature16°C15°C17°C23°C26°C26°C22°C21°C
Feels Like16°C15°C17°C24°C27°C28°C23°C21°C
Precipitation0.3 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability100 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover56 %100 %34 %3 %6 %12 %100 %12 %
Wind Speed12 km/h12 km/h15 km/h22 km/h28 km/h28 km/h23 km/h20 km/h
Wind DirectionSESSESSSWSSWSSWSSWSSW
Wind Gusts23 km/h25 km/h27 km/h25 km/h33 km/h34 km/h42 km/h40 km/h
Humidity98 %99 %95 %73 %61 %62 %77 %73 %
Dew Point16°C15°C16°C18°C18°C19°C18°C16°C
000102030405060708091011121314151617181920212223

Weather in St. Thomas for Tuesday, 19 May 2026

Sunrise: 05:58
Sunset: 20:46
Moonrise: 08:10
Moonset: 19:00
UV Index: 9
02:0005:0008:0011:0014:0017:0020:0023:00
Partly Cloudy Moderate or heavy rain showerPatchy rain nearbyPatchy rain nearbyPatchy rain nearbyPatchy rain nearbyPatchy rain nearbyLight rain shower
Temperature19°C18°C20°C23°C25°C26°C22°C20°C
Feels Like19°C18°C20°C25°C27°C28°C22°C20°C
Precipitation0 mm2.8 mm0.6 mm0 mm0 mm0.4 mm0.2 mm0.7 mm
Probability0 %100 %100 %67 %83 %100 %100 %100 %
Cloud Cover32 %76 %72 %72 %96 %73 %70 %97 %
Wind Speed15 km/h14 km/h24 km/h32 km/h32 km/h31 km/h19 km/h9 km/h
Wind DirectionSSWSSWSSWSSWSWSWWSWW
Wind Gusts31 km/h29 km/h44 km/h42 km/h42 km/h37 km/h34 km/h15 km/h
Humidity85 %93 %85 %74 %69 %68 %82 %97 %
Dew Point16°C16°C17°C18°C19°C20°C19°C18°C
000102030405060708091011121314151617181920212223

Weather in St. Thomas for Wednesday, 20 May 2026

Sunrise: 05:57
Sunset: 20:47
Moonrise: 09:27
Moonset: 00:35
UV Index: 0
02:0005:0008:0011:0014:0017:0020:0023:00
Patchy rain nearbyPatchy rain nearbyLight rain showerCloudy Partly Cloudy Partly Cloudy SunnyOvercast
Temperature19°C18°C17°C17°C15°C15°C13°C9°C
Feels Like19°C18°C16°C16°C14°C15°C12°C6°C
Precipitation0.1 mm0.1 mm0.3 mm0 mm0 mm0 mm0 mm0 mm
Probability100 %100 %100 %0 %0 %0 %0 %0 %
Cloud Cover76 %100 %100 %84 %42 %32 %0 %88 %
Wind Speed12 km/h16 km/h17 km/h15 km/h20 km/h18 km/h8 km/h22 km/h
Wind DirectionWNWWNWNWNWWNWWNWWNWN
Wind Gusts24 km/h22 km/h23 km/h20 km/h23 km/h21 km/h13 km/h31 km/h
Humidity93 %96 %90 %86 %67 %62 %74 %80 %
Dew Point17°C15°C11°C9°C9°C8°C9°C5°C
000102030405060708091011121314151617181920212223

Weather in St. Thomas for Thursday, 21 May 2026

Sunrise: 05:56
Sunset: 20:48
Moonrise: 10:46
Moonset: 01:17
UV Index: 3
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Clear SunnySunnySunnyPartly Cloudy SunnyClear
Temperature6°C4°C5°C9°C13°C13°C10°C7°C
Feels Like2°C0°C1°C7°C11°C12°C8°C5°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover100 %0 %0 %0 %8 %33 %6 %11 %
Wind Speed20 km/h16 km/h21 km/h18 km/h18 km/h14 km/h15 km/h11 km/h
Wind DirectionNNNWNNWNNNNNWN
Wind Gusts30 km/h25 km/h26 km/h21 km/h21 km/h16 km/h24 km/h22 km/h
Humidity60 %65 %69 %54 %47 %47 %67 %73 %
Dew Point-2°C-3°C-1°C1°C2°C3°C4°C2°C
000102030405060708091011121314151617181920212223

Weather in St. Thomas for Friday, 22 May 2026

Sunrise: 05:55
Sunset: 20:49
Moonrise: 12:03
Moonset: 01:49
UV Index: 4
02:0005:0008:0011:0014:0017:0020:0023:00
Cloudy Clear SunnyOvercast SunnySunnySunnyClear
Temperature7°C6°C8°C13°C16°C17°C13°C10°C
Feels Like4°C3°C6°C12°C16°C17°C12°C8°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover77 %24 %0 %94 %0 %8 %14 %0 %
Wind Speed11 km/h11 km/h12 km/h12 km/h10 km/h10 km/h10 km/h8 km/h
Wind DirectionEENEESESESSESSE
Wind Gusts19 km/h23 km/h16 km/h14 km/h12 km/h12 km/h19 km/h17 km/h
Humidity81 %72 %62 %49 %44 %43 %63 %63 %
Dew Point4°C0°C1°C3°C4°C5°C6°C2°C
000102030405060708091011121314151617181920212223

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