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St Catharines, Ontario

63°F
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St Catharines

Ontario

63°
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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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1 PM

64°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 70%
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Showers
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

RealFeel Shade™56°

WindWSW 15 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts21 mph

Humidity82%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility10 mi

Cloud Ceiling3100 ft

2 PM

69°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
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Showers
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

RealFeel Shade™63°

WindWSW 17 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts29 mph

Humidity70%

Indoor Humidity70% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling3700 ft

3 PM

72°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
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Cloudy
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

RealFeel Shade™69°

WindWSW 16 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts27 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling4800 ft

4 PM

71°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 41%
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Cloudy
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

RealFeel Shade™68°

WindW 15 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts24 mph

Humidity68%

Indoor Humidity68% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling5900 ft

5 PM

69°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 48%
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Cloudy
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

RealFeel Shade™66°

WindW 14 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts22 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

67°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 52%
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Showers
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

RealFeel Shade™61°

WindW 13 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts22 mph

Humidity77%

Indoor Humidity74% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

7 PM

65°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 45%
Chevron down
Cloudy
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

RealFeel Shade™61°

WindSW 14 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts21 mph

Humidity79%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling4800 ft

8 PM

62°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 69%
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Thunderstorms
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

WindS 15 mph

Air QualityFair

Wind Gusts24 mph

Humidity88%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.12 in

Visibility4 mi

Cloud Ceiling2000 ft

9 PM

60°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 69%
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Thunderstorms
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

WindS 15 mph

Air QualityFair

Wind Gusts22 mph

Humidity93%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.12 in

Visibility4 mi

Cloud Ceiling2000 ft

10 PM

59°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

WindS 15 mph

Air QualityFair

Wind Gusts18 mph

Humidity94%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling3700 ft

11 PM

58°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Special Weather Statement

11:47 AM Wednesday - 12:10 AM Friday

WindSSW 15 mph

Air QualityFair

Wind Gusts18 mph

Humidity93%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling3700 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 64° with a RealFeel® of 58°, showers with a 70% 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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