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

Weather in Thunder Bay for today, Saturday, 16 May 2026

Sunrise: 05:42
Sunset: 21:10
Moonrise: 05:00
Moonset: 21:51
UV Index: 4		02:0005:0008:0011:0014:0017:0020:0023:00
Cloudy Patchy rain nearbyPartly Cloudy Overcast Overcast Overcast Partly Cloudy Clear
Temperature5°C3°C3°C5°C8°C7°C5°C2°C
Feels Like1°C-1°C-1°C1°C5°C4°C2°C0°C
Precipitation0 mm0.1 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability0 %100 %0 %0 %0 %0 %0 %0 %
Cloud Cover85 %100 %42 %100 %100 %100 %29 %14 %
Wind Speed19 km/h21 km/h21 km/h19 km/h17 km/h15 km/h13 km/h10 km/h
Wind DirectionNWNWNWNNWNNWNNENNENNE
Wind Gusts24 km/h26 km/h24 km/h22 km/h20 km/h17 km/h17 km/h18 km/h
Humidity77 %80 %77 %68 %61 %58 %59 %72 %
Dew Point1°C0°C-1°C-1°C1°C-1°C-2°C-2°C
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Weather in Thunder Bay for tomorrow, Sunday, 17 May 2026

Sunrise: 05:41
Sunset: 21:11
Moonrise: 05:36
Moonset: 23:16
UV Index: 2		02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear Cloudy Patchy rain nearbyPatchy light rainModerate rainLight drizzleLight drizzle
Temperature2°C2°C4°C7°C8°C7°C7°C7°C
Feels Like-2°C-2°C1°C3°C4°C2°C2°C2°C
Precipitation0 mm0 mm0 mm0 mm1 mm3.8 mm0.6 mm0.6 mm
Probability0 %0 %0 %75 %100 %100 %100 %100 %
Cloud Cover19 %8 %72 %69 %67 %94 %99 %100 %
Wind Speed12 km/h13 km/h15 km/h24 km/h26 km/h26 km/h33 km/h29 km/h
Wind DirectionENEENEENEENENENNENENE
Wind Gusts22 km/h23 km/h20 km/h30 km/h33 km/h36 km/h47 km/h43 km/h
Humidity78 %83 %72 %63 %67 %85 %89 %90 %
Dew Point-2°C-1°C0°C0°C2°C5°C5°C5°C
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Weather in Thunder Bay for Monday, 18 May 2026

Sunrise: 05:39
Sunset: 21:12
Moonrise: 06:28
Moonset: 19:00
UV Index: 1		02:0005:0008:0011:0014:0017:0020:0023:00
Light drizzleLight drizzleLight drizzlePatchy rain nearbyPatchy rain nearbyPatchy rain nearbyOvercast Patchy rain nearby
Temperature6°C5°C4°C4°C4°C5°C4°C4°C
Feels Like2°C0°C-1°C-1°C-1°C1°C0°C0°C
Precipitation0.4 mm0.2 mm0.2 mm0 mm0 mm0 mm0 mm0 mm
Probability100 %100 %100 %82 %73 %89 %0 %80 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed23 km/h23 km/h27 km/h24 km/h21 km/h21 km/h22 km/h20 km/h
Wind DirectionNENNENNENNENNENNENNENNE
Wind Gusts34 km/h34 km/h38 km/h33 km/h28 km/h27 km/h31 km/h28 km/h
Humidity89 %94 %94 %95 %95 %90 %88 %88 %
Dew Point5°C4°C3°C3°C3°C3°C3°C2°C
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Weather in Thunder Bay for Tuesday, 19 May 2026

Sunrise: 05:38
Sunset: 21:14
Moonrise: 07:39
Moonset: 00:25
UV Index: 1		02:0005:0008:0011:0014:0017:0020:0023:00
Light snowModerate snowModerate snowHeavy snowHeavy snowHeavy snowPatchy rain nearbyFog
Temperature3°C2°C2°C2°C2°C2°C3°C3°C
Feels Like-2°C-2°C-3°C-3°C-4°C-3°C-1°C1°C
Precipitation0 mm0.1 mm0.2 mm0.6 mm0.7 mm0.5 mm0.1 mm0 mm
Probability60 %100 %100 %100 %100 %100 %100 %72 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed20 km/h19 km/h21 km/h21 km/h22 km/h19 km/h15 km/h7 km/h
Wind DirectionNNENNENNNNNN
Wind Gusts28 km/h27 km/h28 km/h26 km/h28 km/h25 km/h22 km/h10 km/h
Humidity96 %97 %97 %98 %97 %97 %96 %98 %
Dew Point2°C2°C1°C1°C1°C1°C3°C3°C
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Weather in Thunder Bay for Wednesday, 20 May 2026

Sunrise: 05:37
Sunset: 21:15
Moonrise: 09:01
Moonset: 01:15
UV Index: 0		02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Cloudy Light drizzlePatchy rain nearbyPartly Cloudy Partly Cloudy Partly Cloudy Light drizzle
Temperature3°C3°C4°C7°C10°C12°C11°C9°C
Feels Like1°C1°C2°C5°C9°C11°C9°C6°C
Precipitation0 mm0 mm0.2 mm0 mm0 mm0 mm0 mm0.1 mm
Probability0 %0 %100 %82 %0 %0 %0 %100 %
Cloud Cover100 %83 %86 %100 %33 %33 %37 %60 %
Wind Speed6 km/h6 km/h8 km/h10 km/h12 km/h13 km/h16 km/h23 km/h
Wind DirectionNWWSWSSWSSWSSSESSE
Wind Gusts9 km/h9 km/h11 km/h13 km/h14 km/h16 km/h27 km/h42 km/h
Humidity90 %85 %84 %83 %52 %49 %57 %61 %
Dew Point2°C1°C2°C4°C1°C2°C3°C2°C
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Weather in Thunder Bay for Thursday, 21 May 2026

Sunrise: 05:36
Sunset: 21:16
Moonrise: 10:28
Moonset: 01:49
UV Index: 3		02:0005:0008:0011:0014:0017:0020:0023:00
Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy SunnyPartly Cloudy
Temperature9°C9°C10°C12°C14°C15°C13°C9°C
Feels Like5°C6°C7°C11°C14°C15°C12°C7°C
Precipitation0.3 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability100 %0 %0 %0 %0 %0 %0 %0 %
Cloud Cover71 %32 %42 %43 %38 %52 %27 %31 %
Wind Speed27 km/h26 km/h18 km/h14 km/h10 km/h9 km/h11 km/h13 km/h
Wind DirectionSSSWWSWWNWWNWSSWNNEENE
Wind Gusts44 km/h42 km/h26 km/h16 km/h12 km/h11 km/h17 km/h25 km/h
Humidity57 %64 %75 %68 %57 %55 %65 %82 %
Dew Point1°C2°C5°C6°C6°C6°C7°C6°C
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Weather in Thunder Bay for Friday, 22 May 2026

Sunrise: 05:34
Sunset: 21:18
Moonrise: 11:52
Moonset: 02:13
UV Index: 3		02:0005:0008:0011:0014:0017:0020:0023:00
Patchy rain nearbyLight drizzleOvercast Overcast Overcast Moderate rainModerate or heavy rain showerOvercast
Temperature8°C8°C9°C12°C14°C15°C15°C13°C
Feels Like6°C5°C6°C9°C12°C14°C15°C12°C
Precipitation0 mm0.1 mm0.1 mm0 mm0 mm1.3 mm3.4 mm1.7 mm
Probability23 %100 %100 %0 %0 %100 %100 %100 %
Cloud Cover66 %86 %96 %98 %97 %100 %100 %98 %
Wind Speed14 km/h17 km/h21 km/h25 km/h27 km/h25 km/h19 km/h15 km/h
Wind DirectionENEEEEESEEENESE
Wind Gusts26 km/h27 km/h29 km/h31 km/h33 km/h32 km/h26 km/h24 km/h
Humidity83 %85 %88 %85 %82 %82 %88 %96 %
Dew Point5°C5°C7°C9°C11°C12°C13°C13°C
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