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St. Catharines, Ontario

81°F
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St. Catharines

Ontario

81°
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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

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 12%
Chevron down
Mostly sunny

RealFeel Shade™73°

WindSSW 14 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts27 mph

Humidity46%

Indoor Humidity46% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

74°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 12%
Chevron down
Mostly clear

WindSSW 13 mph

Air QualityFair

Wind Gusts23 mph

Humidity51%

Indoor Humidity51% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

72°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 16%
Chevron down
Mostly clear

WindSSW 13 mph

Air QualityFair

Wind Gusts18 mph

Humidity57%

Indoor Humidity57% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

70°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Mostly clear

WindSSW 12 mph

Air QualityFair

Wind Gusts15 mph

Humidity61%

Indoor Humidity61% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 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 76° with a RealFeel® of 73°, mostly sunny with a 12% 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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