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

Weather in Thunder Bay for today, Sunday, 16 Aug 2026

Sunrise: 06:20
Sunset: 20:44
Moonrise: 11:20
Moonset: 21:57
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnySunnySunnyClear
Temperature15°C13°C16°C23°C25°C26°C22°C17°C
Feels Like15°C13°C16°C24°C25°C25°C24°C17°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability14 %14 %8 %1 %1 %1 %1 %2 %
Cloud Cover13 %14 %9 %10 %14 %9 %7 %7 %
Wind Speed8 km/h10 km/h13 km/h21 km/h26 km/h23 km/h10 km/h9 km/h
Wind DirectionWWNWNWNWNWNESE
Wind Gusts16 km/h20 km/h20 km/h24 km/h29 km/h27 km/h17 km/h20 km/h
Humidity89 %90 %76 %37 %29 %27 %35 %47 %
Dew Point13°C12°C12°C8°C6°C5°C6°C6°C
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Weather in Thunder Bay for tomorrow, Monday, 17 Aug 2026

Sunrise: 06:22
Sunset: 20:42
Moonrise: 12:35
Moonset: 22:13
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Partly Cloudy Patchy rain nearbySunnySunnySunnySunnyPartly Cloudy
Temperature16°C16°C16°C25°C27°C26°C21°C16°C
Feels Like16°C16°C16°C26°C27°C25°C21°C16°C
Precipitation0 mm0 mm0.1 mm0 mm0 mm0 mm0 mm0 mm
Probability2 %7 %17 %2 %1 %1 %2 %8 %
Cloud Cover12 %49 %54 %6 %11 %11 %17 %28 %
Wind Speed13 km/h12 km/h13 km/h23 km/h29 km/h28 km/h18 km/h8 km/h
Wind DirectionSSWSWSWNWNWNNWNNE
Wind Gusts26 km/h24 km/h25 km/h28 km/h34 km/h32 km/h25 km/h15 km/h
Humidity48 %59 %61 %51 %40 %36 %46 %69 %
Dew Point5°C8°C8°C14°C12°C9°C9°C10°C
000102030405060708091011121314151617181920212223

Weather in Thunder Bay for Tuesday, 18 Aug 2026

Sunrise: 06:23
Sunset: 20:40
Moonrise: 13:50
Moonset: 22:32
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Partly Cloudy Cloudy Partly Cloudy Partly Cloudy SunnySunnyClear
Temperature13°C12°C15°C21°C26°C26°C17°C13°C
Feels Like12°C12°C15°C21°C25°C25°C17°C12°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability10 %12 %16 %3 %3 %1 %3 %3 %
Cloud Cover13 %26 %72 %35 %44 %11 %8 %2 %
Wind Speed9 km/h8 km/h6 km/h12 km/h17 km/h23 km/h15 km/h12 km/h
Wind DirectionESESSESSWWSWWNWNNWNEN
Wind Gusts19 km/h17 km/h10 km/h14 km/h19 km/h27 km/h23 km/h25 km/h
Humidity81 %81 %76 %47 %28 %25 %52 %58 %
Dew Point10°C9°C10°C9°C6°C5°C7°C5°C
000102030405060708091011121314151617181920212223

Weather in Thunder Bay for Wednesday, 19 Aug 2026

Sunrise: 06:25
Sunset: 20:38
Moonrise: 15:03
Moonset: 22:57
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnyPartly Cloudy Partly Cloudy SunnyClear
Temperature10°C9°C11°C18°C25°C27°C24°C17°C
Feels Like9°C7°C10°C18°C25°C25°C23°C17°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability6 %8 %4 %1 %2 %3 %2 %2 %
Cloud Cover0 %0 %3 %4 %27 %42 %24 %15 %
Wind Speed11 km/h9 km/h8 km/h8 km/h10 km/h13 km/h14 km/h12 km/h
Wind DirectionNNENENENWNNWWESE
Wind Gusts23 km/h19 km/h11 km/h10 km/h12 km/h16 km/h21 km/h26 km/h
Humidity70 %78 %62 %38 %27 %25 %31 %46 %
Dew Point5°C5°C4°C4°C5°C5°C5°C6°C
000102030405060708091011121314151617181920212223

Weather in Thunder Bay for Thursday, 20 Aug 2026

Sunrise: 06:26
Sunset: 20:36
Moonrise: 16:12
Moonset: 23:30
UV Index: 8
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Partly Cloudy Patchy rain nearbyPartly Cloudy Patchy rain nearbyPatchy rain nearbySunnyClear
Temperature16°C15°C17°C24°C29°C31°C27°C22°C
Feels Like16°C15°C17°C25°C28°C30°C27°C22°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability3 %4 %5 %5 %3 %6 %4 %3 %
Cloud Cover23 %25 %51 %69 %52 %79 %49 %7 %
Wind Speed12 km/h11 km/h11 km/h13 km/h13 km/h16 km/h18 km/h10 km/h
Wind DirectionSESSESSSSWWSWNNWNW
Wind Gusts24 km/h23 km/h20 km/h16 km/h15 km/h20 km/h27 km/h22 km/h
Humidity52 %54 %48 %34 %22 %24 %37 %56 %
Dew Point6°C6°C6°C7°C6°C8°C11°C12°C
000102030405060708091011121314151617181920212223

Weather in Thunder Bay for Friday, 21 Aug 2026

Sunrise: 06:28
Sunset: 20:34
Moonrise: 17:14
Moonset: 19:00
UV Index: 8
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnyPartly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Temperature18°C17°C20°C28°C31°C32°C29°C24°C
Feels Like18°C17°C20°C27°C30°C31°C28°C25°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability6 %7 %5 %1 %1 %3 %3 %3 %
Cloud Cover7 %13 %15 %13 %24 %44 %46 %40 %
Wind Speed9 km/h8 km/h4 km/h4 km/h8 km/h10 km/h12 km/h11 km/h
Wind DirectionNWNWNNWWNWWWNWWE
Wind Gusts18 km/h17 km/h8 km/h5 km/h9 km/h12 km/h18 km/h23 km/h
Humidity70 %73 %64 %38 %27 %23 %30 %44 %
Dew Point13°C13°C13°C12°C10°C9°C9°C10°C
000102030405060708091011121314151617181920212223

Weather in Thunder Bay for Saturday, 22 Aug 2026

Sunrise: 06:29
Sunset: 20:32
Moonrise: 18:06
Moonset: 00:13
UV Index: 9
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnySunnySunnyClear
Temperature22°C20°C23°C30°C35°C37°C34°C27°C
Feels Like22°C20°C22°C29°C34°C35°C33°C27°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability2 %3 %1 %1 %0 %0 %0 %1 %
Cloud Cover21 %9 %4 %3 %2 %2 %1 %2 %
Wind Speed10 km/h9 km/h10 km/h11 km/h10 km/h11 km/h16 km/h23 km/h
Wind DirectionSESSESSESESSESSSESE
Wind Gusts21 km/h20 km/h18 km/h13 km/h12 km/h13 km/h26 km/h48 km/h
Humidity47 %54 %47 %29 %21 %17 %24 %40 %
Dew Point10°C10°C10°C10°C9°C8°C9°C13°C
000102030405060708091011121314151617181920212223

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