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St. Catharines, Ontario

93°F
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St. Catharines

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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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Today

 Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Orange Warning - Heat

Today's Weather

Wed, Jul 1

Breezy this morning; otherwise, hot and humid with more sun than clouds; dangerous heat; seek time in the shade and stay hydrated Hi: 93°

Tonight: Mainly clear, warm and humid Lo: 74°

Current Weather

2:54 PM

93°F
RealFeel® 106°
Mostly sunny More Details
RealFeel Shade™ 100°
Heat Index 109°
Wind SSW 17 mph
Wind Gusts 24 mph
Air Quality Poor

Looking Ahead

Watch for a heavy thunderstorm Friday

St. Catharines Weather Radar

St. Catharines Weather Radar
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Clouds
Temperature

Hourly Weather

3 PM 93°
rain drop 7%
4 PM 93°
rain drop 7%
5 PM 92°
rain drop 7%
6 PM 90°
rain drop 7%
7 PM 88°
rain drop 5%
8 PM 85°
rain drop 0%
9 PM 83°
rain drop 0%
10 PM 80°
rain drop 0%
11 PM 79°
rain drop 0%
12 AM 79°
rain drop 0%
1 AM 78°
rain drop 0%
2 AM 77°
rain drop 0%

10-Day Weather Forecast

Today

7/1

93° 74°

Hot and humid

Night: Mainly clear, warm and humid
25%

Thu

7/2

94° 74°

Hot and humid

Mainly clear, warm and humid
3%

Fri

7/3

90° 70°

Hot with a heavy thunderstorm

A thunderstorm in spots
55%

Sat

7/4

87° 69°

Humid with a thunderstorm

Humid; a t-storm around early
55%

Sun

7/5

80° 65°

Mostly cloudy and humid

A shower early; partly cloudy
19%

Mon

7/6

82° 66°

Mostly sunny and humid

Clear to partly cloudy
4%

Tue

7/7

84° 67°

Mostly sunny

Partly cloudy
2%

Wed

7/8

82° 67°

Showers around in the p.m.

Cloudy, humid; a shower late
55%

Thu

7/9

83° 66°

Decreasing clouds

Humid with a few showers
13%

Fri

7/10

84° 66°

Variable cloudiness

Partly cloudy
1%

Sun & Moon

15 hrs 20 mins
Rise 5:40 AM
Set 9:00 PM
Waning Gibbous
Rise 10:30 PM
Set 7:58 AM

Air Quality

See More
Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

Allergy Outlook

See All
Dust & Dander Extreme 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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