Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather, flooding return to central US | Click to see the impacts. Chevron right

St. Clair, PA

70°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Clair

Pennsylvania

70°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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, PA 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

6 PM

75°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 46%
Chevron down
Partly sunny w/ showers

RealFeel Shade™71°

WindWNW 14 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts25 mph

Humidity45%

Indoor Humidity45% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

75°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 46%
Chevron down
Partly sunny

RealFeel Shade™71°

WindWNW 13 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts22 mph

Humidity46%

Indoor Humidity46% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

73°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™71°

WindW 7 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts8 mph

Humidity51%

Indoor Humidity51% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWNW 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity56%

Indoor Humidity56% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWNW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity62%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover5%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWNW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity66%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for St. Clair

AccuWeather's hourly forecast for St. Clair provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 75° with a RealFeel® of 73°, partly sunny w/ showers with a 46% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Monday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms to return to central US as flood risk rises

2 hours ago

Weather News

Rescues underway, dam fears grow as Arthur floods Gulf Coast homes

1 day ago

Weather News

Next round of record-challenging heat on the way for Pacific Northwest

2 hours ago

Severe Weather

Tornadoes, winds rip through Illinois causing widespread damage

2 days ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

USMNT fans’ celebration registers on seismic sensors in Seattle

4 hours ago

 More Stories

Featured Stories

Severe Weather

Illinois has already surpassed its record year for tornado reports

2 days ago

Recreation

Black bear injures teen on Washington trail

2 days ago

Astronomy

Meteorological summer vs. astronomical summer explained

2 days ago

Recreation

Free climber dies after falling into volcanic crater in Yemen

3 days ago

Health

Pickle is the pumpkin spice of summer

4 days ago
World North America United States Pennsylvania St. Clair

Weather Near St. Clair:

  • Scranton, PA
  • Wilkes-Barre, PA
  • Williamsport, PA
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

...

...

...