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

Weather in St. Catharines for today, Sunday, 28 Jun 2026

Sunrise: 05:40
Sunset: 21:01
Moonrise: 20:34
Moonset: 03:59
UV Index: 9
02:0005:0008:0011:0014:0017:0020:0023:00
Clear MistSunnySunnySunnySunnySunnyClear
Temperature16°C14°C18°C25°C28°C27°C20°C17°C
Feels Like16°C15°C18°C26°C30°C28°C20°C17°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability14 %18 %11 %8 %4 %2 %7 %10 %
Cloud Cover3 %25 %1 %0 %0 %0 %0 %0 %
Wind Speed6 km/h8 km/h9 km/h15 km/h20 km/h19 km/h11 km/h9 km/h
Wind DirectionENEENEENENENEENEE
Wind Gusts13 km/h17 km/h16 km/h23 km/h34 km/h36 km/h23 km/h19 km/h
Humidity91 %95 %86 %78 %63 %51 %75 %83 %
Dew Point15°C13°C16°C20°C20°C16°C16°C14°C
000102030405060708091011121314151617181920212223

Weather in St. Catharines for tomorrow, Monday, 29 Jun 2026

Sunrise: 05:40
Sunset: 21:01
Moonrise: 21:21
Moonset: 04:50
UV Index: 9
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnySunnySunnyPatchy rain nearby
Temperature16°C16°C18°C22°C23°C22°C21°C19°C
Feels Like16°C16°C18°C22°C25°C22°C21°C19°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0.1 mm
Probability10 %10 %8 %5 %5 %7 %11 %28 %
Cloud Cover2 %0 %3 %3 %4 %6 %12 %75 %
Wind Speed9 km/h7 km/h9 km/h12 km/h12 km/h11 km/h7 km/h1 km/h
Wind DirectionEEEENENENENNENW
Wind Gusts19 km/h15 km/h16 km/h22 km/h22 km/h21 km/h14 km/h3 km/h
Humidity81 %82 %77 %68 %67 %74 %83 %89 %
Dew Point13°C13°C14°C15°C16°C17°C18°C17°C
000102030405060708091011121314151617181920212223

Weather in St. Catharines for Tuesday, 30 Jun 2026

Sunrise: 05:40
Sunset: 21:01
Moonrise: 21:59
Moonset: 05:49
UV Index: 9
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Partly Cloudy SunnySunnySunnySunnySunnyClear
Temperature19°C19°C21°C25°C28°C28°C26°C23°C
Feels Like19°C19°C21°C27°C31°C32°C28°C25°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability12 %19 %14 %11 %7 %5 %8 %12 %
Cloud Cover15 %50 %18 %25 %12 %3 %0 %6 %
Wind Speed6 km/h3 km/h7 km/h19 km/h26 km/h27 km/h21 km/h19 km/h
Wind DirectionWSWWSWSWSWSWSWSSWSW
Wind Gusts12 km/h7 km/h15 km/h37 km/h51 km/h57 km/h43 km/h39 km/h
Humidity86 %90 %89 %80 %73 %69 %79 %86 %
Dew Point17°C17°C19°C21°C22°C22°C22°C21°C
000102030405060708091011121314151617181920212223

Weather in St. Catharines for Wednesday, 01 Jul 2026

Sunrise: 05:41
Sunset: 21:00
Moonrise: 22:30
Moonset: 06:52
UV Index: 10
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Patchy rain nearbySunnySunnySunnySunnySunnyClear
Temperature23°C22°C24°C27°C29°C29°C26°C24°C
Feels Like25°C25°C26°C30°C31°C32°C29°C26°C
Precipitation0 mm0.1 mm0 mm0 mm0 mm0 mm0 mm0 mm
Probability12 %37 %13 %7 %4 %5 %9 %10 %
Cloud Cover3 %80 %2 %0 %0 %0 %0 %0 %
Wind Speed17 km/h15 km/h18 km/h19 km/h22 km/h23 km/h20 km/h21 km/h
Wind DirectionSWSSWSWWSWWSWSWSWSSW
Wind Gusts36 km/h31 km/h37 km/h39 km/h47 km/h48 km/h42 km/h43 km/h
Humidity88 %93 %89 %74 %64 %68 %81 %82 %
Dew Point21°C21°C22°C22°C21°C22°C23°C21°C
000102030405060708091011121314151617181920212223

Weather in St. Catharines for Thursday, 02 Jul 2026

Sunrise: 05:42
Sunset: 21:00
Moonrise: 22:56
Moonset: 07:58
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Clear Clear SunnySunnySunnyPatchy rain nearbySunnyPatchy light rain in area with thunder
Temperature23°C23°C24°C27°C28°C28°C26°C23°C
Feels Like25°C25°C26°C29°C31°C30°C28°C26°C
Precipitation0 mm0 mm0 mm0 mm0 mm0 mm0 mm1.2 mm
Probability10 %12 %12 %8 %5 %13 %8 %71 %
Cloud Cover2 %4 %6 %8 %7 %77 %4 %87 %
Wind Speed18 km/h14 km/h15 km/h20 km/h23 km/h21 km/h16 km/h15 km/h
Wind DirectionSWSWSWWSWWSWWWSW
Wind Gusts38 km/h30 km/h33 km/h42 km/h49 km/h43 km/h34 km/h32 km/h
Humidity81 %86 %86 %75 %66 %64 %75 %91 %
Dew Point20°C20°C22°C22°C21°C21°C21°C22°C
000102030405060708091011121314151617181920212223

Weather in St. Catharines for Friday, 03 Jul 2026

Sunrise: 05:42
Sunset: 21:00
Moonrise: 23:18
Moonset: 09:05
UV Index: 7
02:0005:0008:0011:0014:0017:0020:0023:00
Patchy rain nearbyPatchy rain nearbySunnySunnySunnyPatchy light rain in area with thunderSunnyClear
Temperature22°C22°C23°C26°C28°C26°C25°C22°C
Feels Like25°C22°C25°C28°C30°C28°C27°C25°C
Precipitation0.1 mm0.3 mm0 mm0 mm0 mm1.3 mm0 mm0 mm
Probability33 %46 %14 %7 %6 %63 %11 %10 %
Cloud Cover70 %77 %10 %3 %7 %87 %8 %8 %
Wind Speed17 km/h15 km/h12 km/h10 km/h12 km/h16 km/h25 km/h18 km/h
Wind DirectionSWWSWWWSWWSWWSWWSWSW
Wind Gusts35 km/h32 km/h25 km/h21 km/h24 km/h33 km/h53 km/h38 km/h
Humidity94 %95 %90 %75 %69 %76 %83 %81 %
Dew Point21°C21°C21°C21°C22°C22°C22°C19°C
000102030405060708091011121314151617181920212223

Weather in St. Catharines for Saturday, 04 Jul 2026

Sunrise: 05:43
Sunset: 21:00
Moonrise: 23:38
Moonset: 10:11
UV Index: 6
02:0005:0008:0011:0014:0017:0020:0023:00
Patchy rain nearbyPatchy rain nearbyPatchy rain nearbyPatchy rain nearbyPartly Cloudy Patchy rain nearbyPatchy rain nearbyClear
Temperature20°C20°C21°C22°C22°C22°C20°C20°C
Feels Like20°C20°C21°C25°C25°C25°C20°C20°C
Precipitation1.1 mm0.2 mm0 mm0.3 mm0 mm0.1 mm0 mm0 mm
Probability72 %45 %31 %43 %14 %23 %29 %12 %
Cloud Cover77 %83 %86 %88 %50 %51 %83 %19 %
Wind Speed19 km/h14 km/h17 km/h15 km/h10 km/h12 km/h12 km/h19 km/h
Wind DirectionSWSWWNWNNENWNNW
Wind Gusts40 km/h29 km/h32 km/h27 km/h18 km/h21 km/h25 km/h40 km/h
Humidity96 %97 %94 %83 %79 %81 %89 %83 %
Dew Point20°C20°C20°C19°C19°C19°C19°C17°C
000102030405060708091011121314151617181920212223

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