Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
As a new heat dome builds, western U.S. wildfires will increase. More information here. Chevron right
The risk of flash flooding has shifted to coastal areas of the southeastern U.S. Click for details. Chevron right

St. Clair, MI

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

St. Clair

Michigan

75°
No results found.
Try searching for a city, zip code or point of interest.
settings
St. Clair, MI 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

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly

Daily

Radar MinuteCast® Monthly Air Quality Health & Activities
Air Quality Alert

August 2 - September 15

Sat 8/2

79° /50°
0%
Hazy sunshine; smoke from wildfires can create reduced air quality
alerts

Air Quality Alert

8:40 AM Wednesday - 12:00 PM Sunday

RealFeel®88°

RealFeel Shade™77°

Max UV Index9 (Very High)

WindN 2 mph

Sun 8/3

82° /52°
1%
Hazy sunshine; smoke from wildfires can create reduced air quality
alerts

Air Quality Alert

8:40 AM Wednesday - 12:00 PM Sunday

RealFeel®90°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindSSE 4 mph

Mon 8/4

84° /58°
1%
Hazy sun

RealFeel®91°

RealFeel Shade™82°

Max UV Index9 (Very High)

WindENE 5 mph

Tue 8/5

86° /60°
1%
Sunny to partly cloudy

RealFeel®93°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindE 5 mph

Wed 8/6

86° /62°
40%
Partly sunny and warm; a thunderstorm in spots in the afternoon

RealFeel®91°

RealFeel Shade™83°

Max UV Index6 (High)

WindESE 5 mph

Thu 8/7

85° /61°
1%
Mostly cloudy

RealFeel®88°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindSSE 7 mph

Fri 8/8

86° /63°
4%
Warm with sunshine and a few clouds

RealFeel®90°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindSSE 6 mph

Sat 8/9

84° /66°
60%
A couple of showers in the morning; otherwise, partly sunny and humid

RealFeel®93°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindS 6 mph

Sun 8/10

87° /65°
4%
Warm and humid with sunshine

RealFeel®95°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSSW 7 mph

Mon 8/11

84° /62°
75%
Considerable clouds and humid; periods of rain and a thunderstorm in the morning followed by a thunderstorm in parts of the area in the afternoon

RealFeel®87°

RealFeel Shade™83°

Max UV Index3 (Moderate)

WindSW 5 mph

Tue 8/12

84° /61°
55%
Some sun, then increasing clouds; a shower in spots in the morning followed by a little rain in the afternoon

RealFeel®89°

RealFeel Shade™83°

Max UV Index5 (Moderate)

WindNW 4 mph

Wed 8/13

83° /62°
55%
Mainly cloudy with a touch of rain

RealFeel®88°

RealFeel Shade™81°

Max UV Index5 (Moderate)

WindNW 4 mph

Thu 8/14

82° /62°
57%
Rather cloudy with a bit of rain in the afternoon

RealFeel®93°

RealFeel Shade™81°

Max UV Index8 (Very High)

WindW 4 mph

Fri 8/15

84° /67°
20%
Partly sunny and humid

RealFeel®94°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindWSW 2 mph

Sat 8/16

82° /67°
55%
Partly sunny and humid; a thundershower in the afternoon

RealFeel®87°

RealFeel Shade™83°

Max UV Index7 (High)

WindWNW 7 mph

Sun 8/17

81° /67°
20%
Partly sunny and humid

RealFeel®90°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindNE 6 mph

Mon 8/18

80° /66°
10%
Mostly sunny

RealFeel®89°

RealFeel Shade™81°

Max UV Index8 (Very High)

WindSE 2 mph

Tue 8/19

82° /67°
65%
A couple of morning showers; otherwise, overcast and humid

RealFeel®91°

RealFeel Shade™90°

Max UV Index2 (Low)

WindENE 2 mph

Wed 8/20

80° /66°
59%
A morning thunderstorm; otherwise, humid with a blend of sun and clouds

RealFeel®84°

RealFeel Shade™81°

Max UV Index4 (Moderate)

WindN 6 mph

Thu 8/21

77° /66°
25%
After a cloudy start, sunshine returns

RealFeel®81°

RealFeel Shade™75°

Max UV Index7 (High)

WindN 10 mph

Fri 8/22

76° /64°
20%
Plenty of sun

RealFeel®80°

RealFeel Shade™73°

Max UV Index7 (High)

WindNNE 8 mph

Sat 8/23

76° /63°
25%
Sun yielding to clouds

RealFeel®79°

RealFeel Shade™77°

Max UV Index5 (Moderate)

WindWSW 2 mph

Sun 8/24

80° /65°
20%
Sunshine and a few clouds

RealFeel®87°

RealFeel Shade™78°

Max UV Index7 (High)

WindS 5 mph

Mon 8/25

82° /66°
20%
Mostly sunny and humid

RealFeel®89°

RealFeel Shade™83°

Max UV Index7 (High)

WindS 6 mph

Tue 8/26

82° /65°
20%
Partly sunny, warm and humid

RealFeel®88°

RealFeel Shade™84°

Max UV Index7 (High)

WindSSW 9 mph

Wed 8/27

80° /66°
65%
Cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®83°

RealFeel Shade™83°

Max UV Index2 (Low)

WindWSW 8 mph

Thu 8/28

76° /65°
20%
Partly sunny and humid

RealFeel®80°

RealFeel Shade™75°

Max UV Index5 (Moderate)

WindNE 7 mph

Fri 8/29

76° /64°
10%
Mostly sunny and less humid

RealFeel®82°

RealFeel Shade™74°

Max UV Index7 (High)

WindENE 6 mph

Sat 8/30

77° /65°
25%
A blend of sun and clouds

RealFeel®79°

RealFeel Shade™77°

Max UV Index5 (Moderate)

WindESE 7 mph

Sun 8/31

79° /65°
65%
Cloudy and humid with showers and thunderstorms

RealFeel®84°

RealFeel Shade™84°

Max UV Index1 (Low)

WindESE 5 mph

Mon 9/1

78° /64°
39%
Periods of clouds and sunshine with a thunderstorm in spots; humid

RealFeel®83°

RealFeel Shade™82°

Max UV Index3 (Moderate)

WindN 5 mph

Tue 9/2

80° /64°
25%
Considerable cloudiness

RealFeel®79°

RealFeel Shade™79°

Max UV Index2 (Low)

WindNNE 10 mph

Wed 9/3

74° /63°
56%
Considerable cloudiness with occasional rain in the afternoon

RealFeel®75°

RealFeel Shade™74°

Max UV Index3 (Moderate)

WindSE 6 mph

Thu 9/4

80° /64°
25%
Mostly cloudy and humid

RealFeel®83°

RealFeel Shade™83°

Max UV Index2 (Low)

WindNW 5 mph

Fri 9/5

78° /63°
25%
Mostly cloudy

RealFeel®79°

RealFeel Shade™77°

Max UV Index2 (Low)

WindNNE 5 mph

Sat 9/6

77° /63°
10%
Sunny and humid

RealFeel®83°

RealFeel Shade™76°

Max UV Index6 (High)

WindNE 6 mph

Sun 9/7

79° /62°
20%
Partly sunny and humid

RealFeel®84°

RealFeel Shade™79°

Max UV Index5 (Moderate)

WindE 4 mph

Mon 9/8

79° /64°
25%
Cloudy, warm and humid

RealFeel®81°

RealFeel Shade™81°

Max UV Index1 (Low)

WindN 4 mph

Tue 9/9

78° /63°
25%
Mostly cloudy, warm and humid

RealFeel®82°

RealFeel Shade™79°

Max UV Index4 (Moderate)

WindSSE 4 mph

Wed 9/10

79° /63°
20%
Warm and humid with sunshine and a few clouds

RealFeel®84°

RealFeel Shade™78°

Max UV Index5 (Moderate)

WindWSW 7 mph

Thu 9/11

78° /62°
25%
Mostly sunny, warm and less humid

RealFeel®81°

RealFeel Shade™76°

Max UV Index5 (Moderate)

WindNNW 8 mph

Fri 9/12

79° /62°
61%
Partly sunny, humid and remaining warm; a couple of thunderstorms in the afternoon

RealFeel®82°

RealFeel Shade™80°

Max UV Index5 (Moderate)

WindWNW 8 mph

Sat 9/13

76° /61°
1%
Mostly sunny and less humid

RealFeel®82°

RealFeel Shade™74°

Max UV Index5 (Moderate)

WindENE 4 mph

Sun 9/14

76° /62°
25%
Humid with intervals of clouds and sunshine

RealFeel®78°

RealFeel Shade™76°

Max UV Index3 (Moderate)

WindNW 7 mph

Mon 9/15

69° /48°
55%
Mostly cloudy; a little rain in the morning followed by a shower in spots in the afternoon

RealFeel®67°

RealFeel Shade™65°

Max UV Index2 (Low)

WindWNW 15 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Northeast's weather fate for upcoming week depends on dry air wedge

6 hours ago

Severe Weather

Torrential rain, deadly flash flooding slam I-95 corridor

3 hours ago

Severe Weather

Torrential downpours to pose dangerous flash flood risk in Southeast

1 hour ago

Astronomy

3 big astronomy events packed into 1 week in August sky

1 day ago

Weather Forecasts

Building western US heat dome may set records, cause fires to surge

3 hours ago

More Stories

Featured Stories

Weather News

Weather sparks firefly mania, but will it last?

1 day ago

Live Blog

Clearing the air: Heat index of 182 degrees in Iran likely false

LATEST ENTRY

Heat index challenges world record, but is it real?

1 day ago

Travel

US Navy F-35 crashes in California, pilot ejects safely

2 days ago

Severe Weather

How to tell how far away lightning is by counting

2 days ago

Travel

Flights at UK airports hit by major technical issue

2 days ago

World North America United States Michigan St. Clair

Weather Near St. Clair:

  • Detroit, MI
  • Sterling Heights, MI
  • Warren, MI
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

...

...

...