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

Weather in Cornwall for today, Monday, 07 Sep 2026

Sunrise: 06:31
Sunset: 19:29
Moonrise: 01:52
Moonset: 17:53
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnySunnyCloudy Overcast
Temperature14°C13°C15°C24°C23°C23°C18°C18°C
Feels Like15°C13°C15°C25°C25°C25°C18°C18°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability7 %9 %12 %3 %1 %4 %18 %18 %
Cloud Cover0 %0 %0 %1 %5 %15 %84 %100 %
Wind Speed11 km/h10 km/h9 km/h11 km/h10 km/h9 km/h7 km/h9 km/h
Wind DirectionNWNWNWNWNWWWNW
Wind Gusts20 km/h18 km/h21 km/h18 km/h15 km/h14 km/h8 km/h20 km/h
Humidity74 %80 %87 %56 %46 %60 %76 %70 %
Dew Point10°C10°C12°C15°C11°C15°C14°C13°C
000102030405060708091011121314151617181920212223

Weather in Cornwall for tomorrow, Tuesday, 08 Sep 2026

Sunrise: 06:33
Sunset: 19:27
Moonrise: 03:14
Moonset: 18:22
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Patchy rain nearbyMistMistOvercast Overcast Overcast Overcast Overcast
Temperature17°C15°C14°C18°C21°C20°C18°C17°C
Feels Like17°C15°C14°C18°C21°C20°C18°C17°C
Precipitation0 mm0 mm0.1 mm0 mm0 mm0 mm0 mm0 mm
Probability30 %38 %50 %18 %14 %17 %24 %27 %
Cloud Cover100 %96 %100 %100 %100 %100 %100 %100 %
Wind Speed8 km/h6 km/h7 km/h7 km/h3 km/h5 km/h4 km/h4 km/h
Wind DirectionNNNWNNENESESSWSESSW
Wind Gusts27 km/h11 km/h19 km/h8 km/h4 km/h5 km/h4 km/h4 km/h
Humidity88 %95 %94 %70 %60 %67 %81 %86 %
Dew Point15°C14°C13°C12°C13°C14°C14°C14°C
000102030405060708091011121314151617181920212223

Weather in Cornwall for Wednesday, 09 Sep 2026

Sunrise: 06:34
Sunset: 19:25
Moonrise: 04:34
Moonset: 18:45
UV Index: 2
02:0005:0008:0011:0014:0017:0020:0023:00
Patchy rain nearbyMistLight drizzleFogLight rain showerModerate rainLight rain showerPatchy rain nearby
Temperature16°C15°C15°C16°C18°C18°C19°C20°C
Feels Like16°C15°C15°C16°C18°C18°C19°C20°C
Precipitation0 mm0.1 mm0.3 mm0 mm0.2 mm6.3 mm1.1 mm0.1 mm
Probability29 %46 %63 %42 %46 %92 %77 %44 %
Cloud Cover100 %100 %100 %100 %100 %100 %100 %100 %
Wind Speed5 km/h8 km/h8 km/h9 km/h12 km/h17 km/h23 km/h19 km/h
Wind DirectionESEESEESESESSSWSWWSW
Wind Gusts5 km/h15 km/h27 km/h29 km/h44 km/h45 km/h54 km/h46 km/h
Humidity88 %95 %98 %97 %93 %99 %97 %97 %
Dew Point14°C15°C15°C15°C17°C18°C19°C19°C
000102030405060708091011121314151617181920212223

Weather in Cornwall for Thursday, 10 Sep 2026

Sunrise: 06:35
Sunset: 19:24
Moonrise: 05:53
Moonset: 19:05
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnyOvercast Overcast Overcast Overcast Overcast
Temperature19°C18°C18°C22°C24°C22°C17°C14°C
Feels Like19°C18°C18°C25°C25°C25°C17°C14°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability18 %16 %17 %16 %13 %15 %16 %19 %
Cloud Cover20 %4 %16 %100 %100 %100 %100 %100 %
Wind Speed13 km/h15 km/h15 km/h19 km/h18 km/h16 km/h21 km/h12 km/h
Wind DirectionSWWSWWSWWSWWWNWNWWNW
Wind Gusts40 km/h47 km/h44 km/h46 km/h47 km/h32 km/h40 km/h34 km/h
Humidity96 %97 %96 %66 %55 %63 %65 %71 %
Dew Point19°C17°C17°C15°C14°C15°C11°C9°C
000102030405060708091011121314151617181920212223

Weather in Cornwall for Friday, 11 Sep 2026

Sunrise: 06:36
Sunset: 19:22
Moonrise: 07:08
Moonset: 19:24
UV Index: 5
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnySunnyClear Clear
Temperature11°C9°C10°C15°C18°C20°C15°C13°C
Feels Like10°C8°C10°C15°C18°C20°C15°C13°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability9 %12 %8 %3 %3 %4 %12 %15 %
Cloud Cover0 %7 %0 %5 %5 %13 %24 %5 %
Wind Speed7 km/h8 km/h6 km/h8 km/h9 km/h8 km/h8 km/h6 km/h
Wind DirectionWNWWNWWNWSWWSWSSES
Wind Gusts10 km/h9 km/h10 km/h9 km/h12 km/h17 km/h11 km/h8 km/h
Humidity78 %86 %78 %57 %53 %58 %82 %93 %
Dew Point7°C7°C7°C7°C9°C11°C12°C12°C
000102030405060708091011121314151617181920212223

Weather in Cornwall for Saturday, 12 Sep 2026

Sunrise: 06:38
Sunset: 19:20
Moonrise: 08:21
Moonset: 19:42
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Clear MistOvercast SunnyCloudy Partly Cloudy Overcast Cloudy
Temperature12°C11°C13°C20°C25°C25°C20°C18°C
Feels Like12°C11°C13°C20°C26°C26°C20°C18°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability17 %23 %31 %7 %12 %9 %24 %22 %
Cloud Cover18 %34 %100 %12 %88 %62 %100 %73 %
Wind Speed5 km/h6 km/h5 km/h17 km/h18 km/h15 km/h9 km/h5 km/h
Wind DirectionSSSESSESSSWSSSWSSW
Wind Gusts5 km/h7 km/h12 km/h26 km/h29 km/h30 km/h35 km/h8 km/h
Humidity94 %95 %93 %72 %59 %63 %81 %88 %
Dew Point11°C11°C12°C15°C16°C17°C16°C16°C
000102030405060708091011121314151617181920212223

Weather in Cornwall for Sunday, 13 Sep 2026

Sunrise: 06:39
Sunset: 19:18
Moonrise: 09:34
Moonset: 20:02
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Overcast Cloudy MistSunnyPartly Cloudy Partly Cloudy Overcast Mist
Temperature17°C16°C17°C24°C27°C27°C23°C21°C
Feels Like17°C16°C17°C26°C29°C29°C25°C21°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability29 %27 %22 %7 %9 %9 %27 %38 %
Cloud Cover96 %84 %26 %5 %61 %46 %100 %86 %
Wind Speed3 km/h5 km/h5 km/h15 km/h21 km/h18 km/h9 km/h8 km/h
Wind DirectionSSWSEESESSWSSWSSWSSSE
Wind Gusts3 km/h5 km/h11 km/h25 km/h33 km/h33 km/h31 km/h31 km/h
Humidity90 %92 %95 %74 %65 %71 %87 %95 %
Dew Point15°C15°C16°C19°C20°C21°C21°C20°C
000102030405060708091011121314151617181920212223

Weather forecast interval

Major cities in Ontario

Provinces in Canada

Hourly Weather Forecast

Daily Weather Forecast