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St Catharines, Ontario

30°F
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St Catharines

Ontario

30°
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St Catharines, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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WinterCast

Ice

Wed, 2/18, 9:00 AM - Wed, 2/18, 12:00 PM

Ice

8 PM

28°
RealFeel® 12°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
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rain drop 7%
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Cloudy

WindSW 16 mph

Air QualityFair

Wind Gusts25 mph

Humidity72%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling3800 ft

9 PM

30°
RealFeel® 14°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindSW 17 mph

Air QualityFair

Wind Gusts23 mph

Humidity73%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling2900 ft

10 PM

30°
RealFeel® 14°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindSW 18 mph

Air QualityFair

Wind Gusts22 mph

Humidity80%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling2000 ft

11 PM

31°
RealFeel® 15°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

WindSW 17 mph

Air QualityFair

Wind Gusts22 mph

Humidity81%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling2500 ft

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Weather Near St Catharines:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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