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  • Today

    Jul 10

    Mostly sunny and pleasant 22°Lo 14°
  • Fri

    Jul 11

    Mostly sunny and pleasant 25°Lo 16°
    more
  • Sat

    Jul 12

    Partly sunny 27°Lo 20°
    more
  • Sun

    Jul 13

    Strong thunderstorms 26°Lo 19°
    more
  • Mon

    Jul 14

    Variably cloudy, a t-storm 27°Lo 19°
    more

Thunderstorms, some strong, Sunday Details >

< Previous 8 hours Next 8 hours >
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Forecast
Clear
Sunny
Mostly Sunny
Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°C) 16° 16° 16° 18° 18° 19° 19° 19°
RealFeel® 15° 15° 17° 19° 19° 21° 22° 23°
Humidity 69% 80% 81% 62% 56% 60% 54% 56%
   
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Rain
 
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Snow
 
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Ice
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (km/h) 3 NNE 3 NNE 3 NNE 5 N 10 N 10 N 8 N 10 N
UV Index 0 0 1 2 3 4 6 7
Cloud Cover 6% 8% 14% 2% 26% 41% 35% 35%
Dew Point 10° 12° 13° 11° 11° 11°
Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Jul 10

more Historical Weather Data >
  Today Normal Record 7/10/2013
High 22° 27° N/A 30°
Low 14° 16° N/A 20°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 15:12 of sunlight, then sets at 8:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:07 PM with 9:53 of moolight, then sets at 5:00 AM

Top Story

St. Catharines Weather Report

Major Flooding Inundates US, Canada Communities This Week

July 10, 2014; 9:05 AM ET

In the wake of torrential rain in recent weeks, flooding will continue to work downstream along the Mississippi River in the United States and rivers in South Central Canada this week. more >