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St. Catharines, Ontario

28°F
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St. Catharines

Ontario

28°
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St. Catharines, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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Today

 Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Yellow Advisory - Fog

Today's Weather

Wed, Mar 4

Intervals of clouds and sun Hi: 44°

Tonight: Mostly cloudy Lo: 29°

Current Weather

7:09 AM

28°F
RealFeel® 30°
Mostly sunny More Details
RealFeel Shade™ 30°
Wind WSW 2 mph
Wind Gusts 5 mph
Air Quality Unhealthy

Looking Ahead

Expect rainy weather tomorrow afternoon through late tomorrow night

St. Catharines Weather Radar

St. Catharines Weather Radar
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Clouds
Temperature

Hourly Weather

8 AM 28°
rain drop 0%
9 AM 30°
rain drop 0%
10 AM 33°
rain drop 0%
11 AM 37°
rain drop 0%
12 PM 40°
rain drop 0%
1 PM 42°
rain drop 0%
2 PM 43°
rain drop 0%
3 PM 44°
rain drop 0%
4 PM 42°
rain drop 0%
5 PM 40°
rain drop 0%
6 PM 37°
rain drop 0%
7 PM 34°
rain drop 0%

10-Day Weather Forecast

Today

3/4

44° 29°

Intervals of clouds and sun

Night: Mostly cloudy
0%

Thu

3/5

37° 32°

Colder; p.m. rain, breezy

Breezy with rain at times
86%

Fri

3/6

45° 36°

Low clouds

Mostly cloudy; breezy late
25%

Sat

3/7

62° 33°

A shower and thunderstorm

Windy early; partly cloudy
88%

Sun

3/8

52° 41°

Partly sunny

Breezy early; mainly clear
0%

Mon

3/9

56° 44°

Mostly sunny and breezy

Windy; a t-storm or two late
1%

Tue

3/10

62° 48°

Warmer with clouds and sun

Rain and a thunderstorm late
25%

Wed

3/11

53° 32°

Cloudy, rain; windy

Early rain; windy and colder
80%

Thu

3/12

38° 27°

An a.m. flurry; windy, colder

Mostly cloudy
41%

Fri

3/13

42° 34°

Low clouds

Windy; snow and rain late
5%

Sun & Moon

11 hrs 21 mins
Rise 6:48 AM
Set 6:09 PM
Waning Gibbous
Rise 7:47 PM
Set 7:30 AM

Air Quality

See More
Air Quality Unhealthy

Health effects can be immediately felt by sensitive groups. Healthy individuals may experience difficulty breathing and throat irritation with prolonged exposure. Limit outdoor activity.

Allergy Outlook

See All
Dust & Dander High Data is not supported in this location

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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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