• Today

    Sep 5

    30°Lo 20°

    Sunshine, humid and warmer

    Beneficial weather for colds
    • Avg
      Temp
      25°
    • Avg
      RealFeel
      26°
    • Hi
      RealFeel
      33°
  • Sun

    Sep 6

    30°Lo 21°

    Sunshine, very warm and humid

    Beneficial weather for colds
    • Avg
      Temp
      25°
    • Avg
      RealFeel
      27°
    • Hi
      RealFeel
      33°
    more
  • Mon

    Sep 7

    30°Lo 21°

    Partly sunny, warm and humid

    Beneficial weather for colds
    • Avg
      Temp
      26°
    • Avg
      RealFeel
      27°
    • Hi
      RealFeel
      32°
    more
  • Tue

    Sep 8

    30°Lo 21°

    Clouds and sun

    Beneficial weather for colds
    • Avg
      Temp
      25°
    • Avg
      RealFeel
      27°
    • Hi
      RealFeel
      34°
    more
  • Wed

    Sep 9

    27°Lo 16°

    Mostly cloudy with a t-storm

    Beneficial weather for colds
    • Avg
      Temp
      22°
    • Avg
      RealFeel
      22°
    • Hi
      RealFeel
      30°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°C) 19° 22° 24° 25° 27° 28° 29° 30°
RealFeel® 21° 25° 27° 30° 32° 32° 32° 33°
Humidity 78% 74% 72% 75% 70% 64% 59% 56%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (km/h) 9 WNW 11 W 11 W 11 WSW 9 SW 9 SE 11 SSE 7 SE
UV Index 3 4 5 5 5 4 3 2
Cloud Cover 1% 20% 20% 20% 20% 21% 22% 22%
Dew Point 16° 17° 19° 20° 21° 20° 20° 20°
Middle Grid line 35 C Middle Grid line 30 C Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 30° 23° N/A 30°
Low 20° 13° N/A 20°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 13:00 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:47 PM with 0:-12 of moolight, then sets at 2:35 PM

St. Catharines Weather Report

Ignacio May Unleash Stormy Conditions in Alaska, British Columbia

September 5, 2015; 10:25 AM ET

Steering winds could take Ignacio, currently a post-tropical cyclone, into the southeastern arm of Alaska or British Columbia during the middle days of next week. more >