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St. Catharines, Ontario

77°F
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St. Catharines

Ontario

77°
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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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6 PM

78°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 61%
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Thunderstorms

RealFeel Shade™77°

WindNW 9 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts15 mph

Humidity74%

Indoor Humidity74% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

7 PM

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 56%
Chevron down
Thunderstorms

RealFeel Shade™73°

WindNW 10 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts14 mph

Humidity75%

Indoor Humidity75% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover77%

Rain0.02 in

Visibility6 mi

Cloud Ceiling4000 ft

8 PM

74°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™73°

WindNW 10 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts14 mph

Humidity78%

Indoor Humidity78% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

72°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindNW 10 mph

Air QualityFair

Wind Gusts14 mph

Humidity81%

Indoor Humidity81% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

70°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Showers

WindNNW 10 mph

Air QualityFair

Wind Gusts13 mph

Humidity86%

Indoor Humidity86% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.02 in

Visibility6 mi

Cloud Ceiling7000 ft

11 PM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Cloudy

WindNNW 10 mph

Air QualityFair

Wind Gusts13 mph

Humidity86%

Indoor Humidity86% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

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 78° with a RealFeel® of 77°, thunderstorms with a 61% 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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World North America Canada Ontario St. Catharines

Weather Near St. Catharines:

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