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  • Tonight

    Sep 1

    Mainly clear, warm; fog late Lo 19°
    more
  • Wed

    Sep 2

    Fog in the morning; sunshine 30°Lo 20°
  • Thu

    Sep 3

    Humid with partial sunshine 28°Lo 18°
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  • Fri

    Sep 4

    Mostly sunny and pleasant 26°Lo 16°
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  • Sat

    Sep 5

    Mostly sunny and humid 27°Lo 18°
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Partly to mostly cloudy 21° Lo 20° RealFeel® 22° / 20°

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  • Precipitation: 10%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 94%
  • Cloud Cover: 54%
  • Dew Point: 19° C
  • Visibility: 10 km
7 km/h

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 30° 24° N/A 26°
Low 20° 13° N/A 19°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 13:09 of sunlight, then sets at 7:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:21 PM with 14:07 of moolight, then sets at 12:28 PM

St. Catharines Weather Report

Oppressive Heat Adds Stress to Physical, Mental Health of Homeless People From US to Canada This Summer

September 1, 2015; 5:12 PM ET

Hot weather this summer from the central United States into Canada has put extra stress on some of the most vulnerable residents: the homeless. more >