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  • Early AM

    May 28

    Partly cloudy Lo 18°
    more
  • Today

    May 28

    A thunderstorm in spots 32°Lo 19°
    more
  • Sun

    May 29

    Mostly cloudy, warm and muggy 29°Lo 17°
  • Mon

    May 30

    Partly sunny and less humid 27°Lo 15°
    more
  • Tue

    May 31

    Brilliant sunshine 27°Lo 14°
    more
< Previous 8 hours Next 8 hours >
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Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°C) 23° 25° 26° 27° 27° 27° 29° 28°
RealFeel® 25° 27° 29° 30° 30° 30° 30° 28°
Humidity 77% 71% 67% 63% 60% 59% 53% 54%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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1%
 
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1%
Snow
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (km/h) 11 SSW 9 SSW 15 SSW 17 SW 17 SW 17 SW 22 SW 24 SW
UV Index 2 3 5 5 5 5 4 3
Cloud Cover 86% 84% 80% 77% 76% 76% 78% 79%
Dew Point 19° 19° 20° 19° 19° 19° 18° 18°
Middle Grid line 30 C Middle Grid line 25 C Middle Grid line 20 C

Temperature History - May 29

more Historical Weather Data >
  Today Normal Record 5/29/2015
High 29° 21° N/A 22°
Low 17° 10° N/A 11°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 15:05 of sunlight, then sets at 8:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:11 AM with 10:52 of moolight, then sets at 12:03 PM

St. Catharines Weather Report

Update on weather pattern into June

May 27, 2016; 3:14 PM ET

Very warm air will gradually shift back into western Canada in early June. more >