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

St. Clair, PA

20°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Clair

Pennsylvania

20°
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
St. Clair, PA 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 PM

23°
RealFeel® 22°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™16°

WindNNW 8 mph

Air QualityFair

Max UV Index3.1 (Moderate)

Wind Gusts10 mph

Humidity45%

Indoor Humidity20% (Very Dry)

Dew Point5° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

25°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™18°

WindNW 8 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts12 mph

Humidity45%

Indoor Humidity20% (Very Dry)

Dew Point6° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

26°
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™20°

WindNW 7 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts10 mph

Humidity45%

Indoor Humidity21% (Very Dry)

Dew Point7° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

27°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™23°

WindNW 6 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts9 mph

Humidity44%

Indoor Humidity22% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

26°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™24°

WindNW 6 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts7 mph

Humidity48%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover54%

Visibility10 mi

Cloud Ceiling14700 ft

5 PM

25°
RealFeel® 21°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™21°

WindWNW 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity51%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover62%

Visibility10 mi

Cloud Ceiling15800 ft

6 PM

24°
RealFeel® 21°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindWNW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity55%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover68%

Visibility10 mi

Cloud Ceiling17000 ft

7 PM

22°
RealFeel® 21°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindWNW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity59%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling18100 ft

8 PM

20°
RealFeel® 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindNW 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity63%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling22000 ft

9 PM

18°
RealFeel® 19°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindNW 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity66%

Indoor Humidity23% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling25900 ft

10 PM

16°
RealFeel® 19°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindNW 2 mph

Air QualityPoor

Wind Gusts4 mph

Humidity69%

Indoor Humidity22% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling29800 ft

11 PM

16°
RealFeel® 19°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindNW 2 mph

Air QualityPoor

Wind Gusts2 mph

Humidity70%

Indoor Humidity22% (Very Dry)

Dew Point7° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling27700 ft

Further Ahead

Tomorrow

Wednesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

Clipper, weekend storm keep active winter pattern alive in the East

2 hours ago

Winter Weather

Storms line up to revive California's winter

3 hours ago

Winter Weather

80-mile crack splits Lake Erie’s ice as the lake nears rare milestone

48 minutes ago

Weather Forecasts

Cold to pull back in eastern U.S. during week two, three of February

2 hours ago

Winter Weather

Flying snow, ice are injuring drivers: In some states, it can cost you

2 days ago

 More Stories

Featured Stories

Astronomy

6 planets, moon will align in February, but there's a catch

3 hours ago

Winter Weather

Ice on the Hudson River visible from space

2 days ago

Recreation

Death Valley seeks tips after illegal off-roading damages rare plants

4 days ago

Weather News

Teen swam hours to get help for family swept out to sea

4 days ago

Winter Weather

Snow piles nearly 7 feet high as deadly storms bury northern Japan

5 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

...

...

...