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St. Catharines, Ontario

70°F
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St. Catharines

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St. Catharines, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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8 PM

75°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
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Thunderstorms
alerts

Yellow Watch - Severe Thunderstorm

6:59 PM Thursday - 12:00 AM Friday

RealFeel Shade™75°

WindS 7 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts8 mph

Humidity83%

Indoor Humidity83% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

9 PM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy
alerts

Yellow Watch - Severe Thunderstorm

6:59 PM Thursday - 12:00 AM Friday

WindS 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling4000 ft

10 PM

73°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy
alerts

Yellow Watch - Severe Thunderstorm

6:59 PM Thursday - 12:00 AM Friday

WindS 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling9500 ft

11 PM

71°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 33%
Chevron down
Cloudy
alerts

Yellow Watch - Severe Thunderstorm

6:59 PM Thursday - 12:00 AM Friday

WindSSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity95%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7100 ft

Hourly Weather Forecast for St. Catharines

AccuWeather's hourly forecast for St. Catharines provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 75° with a RealFeel® of 75°, thunderstorms with a 51% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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Weather Near St. Catharines:

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