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St. Catharines, Ontario

57°F
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St. Catharines

Ontario

57°
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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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 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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10 AM

62°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 54%
Chevron down
Showers

RealFeel Shade™56°

WindS 20 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts29 mph

Humidity54%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling4400 ft

11 AM

63°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 40%
Chevron down
Showers

RealFeel Shade™56°

WindS 20 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts30 mph

Humidity56%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility6 mi

Cloud Ceiling2000 ft

12 PM

63°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 36%
Chevron down
Cloudy

RealFeel Shade™57°

WindS 21 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts31 mph

Humidity60%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1900 ft

1 PM

64°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 29%
Chevron down
Cloudy

RealFeel Shade™58°

WindS 21 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts31 mph

Humidity60%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1800 ft

2 PM

64°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™58°

WindSSW 21 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts30 mph

Humidity62%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling1700 ft

3 PM

64°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™59°

WindSSW 21 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts30 mph

Humidity63%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling3500 ft

4 PM

65°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™59°

WindSSW 20 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts30 mph

Humidity65%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling5300 ft

5 PM

65°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™62°

WindSSW 20 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts29 mph

Humidity66%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

63°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™59°

WindSSW 17 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts27 mph

Humidity70%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

7 PM

61°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™56°

WindSW 14 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts24 mph

Humidity72%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

8 PM

59°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ showers

RealFeel Shade™53°

WindSW 10 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts18 mph

Humidity76%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Rain0.02 in

Visibility6 mi

Cloud Ceiling7000 ft

9 PM

57°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

WindWSW 9 mph

Air QualityFair

Wind Gusts15 mph

Humidity79%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling5900 ft

10 PM

55°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 43%
Chevron down
Intermittent clouds

WindW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity83%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4800 ft

11 PM

53°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 43%
Chevron down
Intermittent clouds

WindWNW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity83%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

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 62° with a RealFeel® of 56°, showers with a 54% 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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