Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™

St. Clair, Ontario

75°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Clair

Ontario

75°
No results found.
Try searching for a city, zip code or point of interest.
settings
St. Clair, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities

July 3 - August 16

Thu 7/3

81° /55°
3%
Hazy sunshine

RealFeel®89°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindN 6 mph

Fri 7/4

84° /64°
1%
Partly sunny

RealFeel®92°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindSE 5 mph

Sat 7/5

91° /68°
2%
Partly sunny and hot; caution advised if doing strenuous activities outside

RealFeel®97°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindSSW 7 mph

Sun 7/6

90° /68°
65%
Sunny to partly cloudy and hot; a couple of thunderstorms in the afternoon

RealFeel®96°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindSSW 7 mph

Mon 7/7

73° /58°
78%
A couple of morning showers; otherwise, humid with clouds breaking for some sun

RealFeel®79°

RealFeel Shade™74°

Max UV Index9 (Very High)

WindN 7 mph

Tue 7/8

77° /58°
25%
Pleasant and less humid with plenty of sunshine

RealFeel®85°

RealFeel Shade™74°

Max UV Index10 (Very High)

WindWNW 6 mph

Wed 7/9

79° /62°
25%
Partly sunny

RealFeel®86°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindNNE 6 mph

Thu 7/10

82° /60°
63%
Partly sunny; a couple of morning thunderstorms followed by a couple of showers in the afternoon

RealFeel®91°

RealFeel Shade™80°

Max UV Index10 (Very High)

WindN 4 mph

Fri 7/11

83° /63°
55%
Partial sunshine with a couple of showers

RealFeel®92°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindN 5 mph

Sat 7/12

85° /64°
1%
Partial sunshine

RealFeel®96°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindSE 2 mph

Sun 7/13

84° /65°
1%
Mainly cloudy and humid

RealFeel®94°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindSW 4 mph

Mon 7/14

85° /64°
19%
Considerable cloudiness and humid

RealFeel®90°

RealFeel Shade™86°

Max UV Index4 (Moderate)

WindWNW 5 mph

Tue 7/15

84° /63°
75%
Periods of rain in the morning; otherwise, mostly cloudy and humid

RealFeel®88°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindNNW 4 mph

Wed 7/16

85° /73°
10%
Brilliant sunshine and humid

RealFeel®96°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindENE 4 mph

Thu 7/17

83° /68°
25%
Humid with increasing cloudiness

RealFeel®87°

RealFeel Shade™84°

Max UV Index7 (High)

WindSE 7 mph

Fri 7/18

83° /69°
25%
Decreasing clouds and humid

RealFeel®92°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindSSE 7 mph

Sat 7/19

84° /69°
10%
Sunshine and humid

RealFeel®96°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindS 7 mph

Sun 7/20

85° /70°
20%
Warm and humid with intervals of clouds and sun

RealFeel®98°

RealFeel Shade™89°

Max UV Index7 (High)

WindSSW 5 mph

Mon 7/21

85° /69°
25%
Humid with periods of clouds and sunshine

RealFeel®100°

RealFeel Shade™91°

Max UV Index9 (Very High)

WindSSW 5 mph

Tue 7/22

84° /68°
65%
A couple of showers and a thunderstorm in the morning; otherwise, mostly cloudy and humid

RealFeel®88°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindW 8 mph

Wed 7/23

78° /64°
58%
Sunshine and a few clouds with a passing shower in the afternoon

RealFeel®83°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindNNW 8 mph

Thu 7/24

77° /63°
20%
Mostly sunny

RealFeel®87°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindSW 2 mph

Fri 7/25

77° /66°
10%
Mostly sunny

RealFeel®85°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindWNW 5 mph

Sat 7/26

80° /67°
25%
Partly sunny and humid

RealFeel®87°

RealFeel Shade™81°

Max UV Index6 (High)

WindENE 2 mph

Sun 7/27

82° /68°
25%
Cloudy and humid

RealFeel®85°

RealFeel Shade™84°

Max UV Index2 (Low)

WindSE 4 mph

Mon 7/28

83° /68°
25%
Humid with clouds and sunshine

RealFeel®89°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindSSW 5 mph

Tue 7/29

84° /69°
5%
Sunny and humid

RealFeel®94°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindSW 5 mph

Wed 7/30

84° /68°
5%
Sunny and humid

RealFeel®97°

RealFeel Shade™87°

Max UV Index9 (Very High)

WindW 5 mph

Thu 7/31

85° /69°
20%
Warm and humid with more sunshine than clouds

RealFeel®89°

RealFeel Shade™85°

Max UV Index9 (Very High)

WindSW 12 mph

Fri 8/1

85° /68°
10%
Warm with brilliant sunshine

RealFeel®90°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindN 7 mph

Sat 8/2

84° /69°
25%
Humid with considerable cloudiness

RealFeel®87°

RealFeel Shade™87°

Max UV Index3 (Moderate)

WindSSW 10 mph

Sun 8/3

85° /68°
40%
Mainly cloudy, warm and humid with a thunderstorm in the area

RealFeel®86°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindN 9 mph

Mon 8/4

79° /68°
70%
Mostly cloudy and not as warm but humid with showers and thunderstorms becoming more widespread

RealFeel®80°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindE 7 mph

Tue 8/5

79° /67°
80%
Cloudy and humid; rain in the afternoon

RealFeel®82°

RealFeel Shade™80°

Max UV Index2 (Low)

WindE 7 mph

Wed 8/6

82° /68°
65%
Cloudy and humid with showers and thunderstorms

RealFeel®89°

RealFeel Shade™88°

Max UV Index2 (Low)

WindNNE 4 mph

Thu 8/7

82° /64°
25%
Cloudy and less humid

RealFeel®80°

RealFeel Shade™79°

Max UV Index2 (Low)

WindNNE 10 mph

Fri 8/8

76° /63°
25%
Cloudy with low humidity

RealFeel®74°

RealFeel Shade™74°

Max UV Index2 (Low)

WindENE 9 mph

Sat 8/9

75° /65°
55%
Cloudy with a touch of rain

RealFeel®72°

RealFeel Shade™72°

Max UV Index2 (Low)

WindE 12 mph

Sun 8/10

76° /67°
25%
Mostly cloudy and humid

RealFeel®73°

RealFeel Shade™73°

Max UV Index3 (Moderate)

WindSSW 16 mph

Mon 8/11

76° /65°
25%
Turning cloudy

RealFeel®81°

RealFeel Shade™74°

Max UV Index8 (Very High)

WindSW 8 mph

Tue 8/12

78° /67°
40%
Humid with considerable cloudiness; a thunderstorm in spots in the afternoon

RealFeel®80°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindW 6 mph

Wed 8/13

76° /66°
25%
Mainly cloudy and humid

RealFeel®78°

RealFeel Shade™77°

Max UV Index3 (Moderate)

WindENE 6 mph

Thu 8/14

76° /67°
74%
Humid with considerable cloudiness; a passing shower in the morning, then afternoon rain

RealFeel®75°

RealFeel Shade™74°

Max UV Index2 (Low)

WindE 7 mph

Fri 8/15

75° /57°
3%
Less humid with times of clouds and sun

RealFeel®77°

RealFeel Shade™72°

Max UV Index4 (Moderate)

WindN 9 mph

Sat 8/16

74° /57°
0%
Plenty of sunshine

RealFeel®76°

RealFeel Shade™71°

Max UV Index8 (Very High)

WindN 10 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Storms to spark on July 4th in parts of the Plains and Southeast

6 hours ago

Weather News

9-year-old dies in hot car outside mother's Texas workplace

1 day ago

Hurricane

High risk for tropical development off US Atlantic coast

26 minutes ago

Travel

Passengers scramble out of plane in St. Louis after report of smoke

2 hours ago

Weather News

Storm chaser stages whirlwind proposal with real tornado

1 day ago

More Stories

Featured Stories

Weather News

‘Shark Whisperer’ swims its way into our shark obsession

18 hours ago

Weather News

Endangered turtles share this Mexican beach with SpaceX rocket debris

17 hours ago

Travel

Fourth of July gas hasn’t been this cheap since 2021

1 day ago

Weather News

What makes fireworks burst with vibrant colors?

6 days ago

Health

There is no safe amount of processed meat to eat, new research shows

2 hours ago

World North America Canada Ontario St. Clair

Weather Near St. Clair:

  • Detroit, MI
  • London, Ontario
  • Windsor, Ontario
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information

...

...

...