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  • Today

    Sep 1

    Fog in the a.m.; mostly sunny 28°Lo 19°
  • Wed

    Sep 2

    A thunderstorm in spots 30°Lo 19°
    more
  • Thu

    Sep 3

    Partly sunny with a t-storm 28°Lo 17°
    more
  • Fri

    Sep 4

    Sunny, warm and humid 27°Lo 16°
    more
  • Sat

    Sep 5

    Mostly sunny and humid 27°Lo 18°
    more
< Previous 8 hours Next 8 hours >
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Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°C) 22° 21° 21° 21° 20° 20° 20° 19°
RealFeel® 22° 21° 21° 20° 20° 20° 19° 19°
Humidity 89% 90% 90% 90% 89% 88% 90% 93%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
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Snow
 
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Ice
 
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  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (km/h) 13 SSW 11 SSW 11 SW 11 SW 11 SW 11 SW 9 SW 9 SW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point 20° 20° 19° 19° 18° 18° 18° 18°
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 28° 24° N/A 29°
Low 19° 13° N/A 21°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 13:11 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:42 PM with 13:37 of moolight, then sets at 11:19 AM

St. Catharines Weather Report

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

September 1, 2015; 10:07 AM 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 >