Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Summerlike heat, humidity is about to arrive in the East. See how hot it will get. Chevron right
Multiday severe weather risk in the central U.S. to ramp up this weekend. Get the forecast. Chevron right

St Clair, MI

68°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St Clair

Michigan

68°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
St Clair, MI Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, May 15

Current Weather

3:42 PM

68°F
Mostly cloudy
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
66°
RealFeel Shade™
64°
Max UV Index
1.6 (Low)
Wind
S 13 mph
Wind Gusts
13 mph
Humidity
28%
Indoor Humidity
42% (Slightly Dry)
Dew Point
34° F
Pressure
↓ 29.98 in
Cloud Cover
90%
Visibility
10 mi
Cloud Ceiling
12000 ft

Day

5/15
68°Hi
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Times of clouds and sun

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™4 (Dull)

WindSSW 7 mph

Wind Gusts16 mph

Probability of Precipitation3%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover69%

Morning

Afternoon

Night

5/15
50°Lo
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
Mostly cloudy

WindS 6 mph

Wind Gusts9 mph

Probability of Precipitation25%

Probability of Thunderstorms5%

Precipitation0.00 in

Cloud Cover77%

Evening

Overnight

Sun & Moon

14 hrs 39 mins
Rise 6:07 AM
Set 8:46 PM
Waning Crescent
Rise 4:54 AM
Set 7:52 PM

Temperature History

5/15
High
Low
Forecast
68°
50°
Average
66°
48°
Last Year
81°
57°
Record
93°
1962
34°
2017

Current Weather Conditions in St. Clair

St. Clair, Michigan is currently Mostly cloudy with a temperature of 68°. The current RealFeel® Temperature is 66° (Pleasant) based on observed conditions including 28% humidity, 90% cloud cover, a UV index of 2, and winds of 13 mph. In shade, the RealFeel Shade™ is 64°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for St. Clair, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Climate

Super El Niño could strain food and water supplies around the world

1 day ago

Severe Weather

Multi-day severe risk in the central US; biggest threat Sunday, Monday

3 hours ago

Weather Forecasts

Summerlike heat, humidity to send RealFeel temps near 100 F in East

2 hours ago

Severe Weather

Deadly storms, flooding rain kill at least 96 in India

2 hours ago

Winter Weather

Winter to return to Colorado, Wyoming with more May mountain snow

3 hours ago

More Stories

Featured Stories

Hurricane

El Nino to fuel Pacific hurricane season, raise risks for California

7 hours ago

Health

Wet spring, more mice? The weather link behind rare hantavirus risk

1 day ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

1 day ago

Weather News

Here's how New York residents can get free A/C this summer

2 days ago

Recreation

Brain-eating amoeba found in hot springs at 3 National Parks: study

3 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 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 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
© 2026 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 | Data Sources

...

...

...