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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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Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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10 AM

62°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 45%
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Intermittent clouds

RealFeel Shade™56°

WindSSW 17 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts21 mph

Humidity85%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4000 ft

11 AM

64°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™58°

WindSSW 20 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts24 mph

Humidity77%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3700 ft

12 PM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™61°

WindSSW 22 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts27 mph

Humidity73%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3100 ft

1 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 37%
Chevron down
Intermittent clouds

RealFeel Shade™62°

WindSW 23 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts30 mph

Humidity72%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling2500 ft

2 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™63°

WindSW 23 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts35 mph

Humidity70%

Indoor Humidity69% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling2000 ft

3 PM

68°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™60°

WindSW 21 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts32 mph

Humidity74%

Indoor Humidity74% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.06 in

Visibility5 mi

Cloud Ceiling3700 ft

4 PM

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

RealFeel Shade™66°

WindSW 18 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts30 mph

Humidity69%

Indoor Humidity69% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling5400 ft

5 PM

68°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 54%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™62°

WindSW 16 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts28 mph

Humidity76%

Indoor Humidity76% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

6 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™65°

WindSW 14 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts27 mph

Humidity76%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

7 PM

65°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™62°

WindSW 12 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts25 mph

Humidity80%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7100 ft

8 PM

64°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSW 16 mph

Air QualityFair

Wind Gusts29 mph

Humidity80%

Indoor Humidity69% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

9 PM

61°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 69%
Chevron down
Thunderstorms

WindSW 15 mph

Air QualityFair

Wind Gusts27 mph

Humidity84%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.38 in

Visibility2 mi

Cloud Ceiling2000 ft

10 PM

58°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindS 14 mph

Air QualityFair

Wind Gusts25 mph

Humidity86%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

11 PM

57°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 89%
Chevron down
Thunderstorms

WindSSE 14 mph

Air QualityFair

Wind Gusts17 mph

Humidity87%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Rain0.38 in

Visibility2 mi

Cloud Ceiling2000 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 62° with a RealFeel® of 58°, intermittent clouds with a 45% 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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