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

St. Clair, PA

56°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Clair

Pennsylvania

56°
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, 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

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

May 21 - June 4

Thu 5/21

64° /53°
96%
Mostly cloudy and cooler; rain and drizzle this morning followed by a passing shower this afternoon; the start of a stretch of noticeably cooler weather

RealFeel®67°

RealFeel Shade™63°

Max UV Index3.0 (Moderate)

WindENE 5 mph

Hours of Precipitation3.5

Hours of Rain3.5

Fri 5/22

66° /47°
25%
Considerable cloudiness

RealFeel®65°

RealFeel Shade™63°

Max UV Index3.0 (Moderate)

WindE 8 mph

Sat 5/23

52° /47°
94%
Cooler with rain; a raw and dreary kickoff to the holiday weekend; poor travel conditions with ponding on roads

RealFeel®48°

RealFeel Shade™45°

Max UV Index2.0 (Low)

WindE 8 mph

Hours of Precipitation6

Hours of Rain6

Sun 5/24

60° /56°
84%
Cloudy and cool with a couple of showers

RealFeel®59°

RealFeel Shade™59°

Max UV Index2.0 (Low)

WindE 9 mph

Hours of Precipitation1

Hours of Rain1

Mon 5/25

70° /58°
30%
Cloudy with a couple of showers possible

RealFeel®71°

RealFeel Shade™70°

Max UV Index3.0 (Moderate)

WindSSW 4 mph

Tue 5/26

77° /59°
23%
Warmer with clouds followed by a brightening sky

RealFeel®78°

RealFeel Shade™76°

Max UV Index4.0 (Moderate)

WindNW 4 mph

Wed 5/27

78° /57°
55%
Times of sun and clouds with a couple of showers in the afternoon

RealFeel®84°

RealFeel Shade™76°

Max UV Index10.0 (Very High)

WindNW 5 mph

Hours of Precipitation1

Hours of Rain1

Thu 5/28

76° /54°
49%
Mostly sunny with a shower in places in the afternoon

RealFeel®86°

RealFeel Shade™75°

Max UV Index10.0 (Very High)

WindNE 2 mph

Hours of Precipitation1

Hours of Rain1

Fri 5/29

75° /57°
49%
A shower in places in the morning; otherwise, partly sunny

RealFeel®84°

RealFeel Shade™74°

Max UV Index8.0 (Very High)

WindSW 2 mph

Hours of Precipitation1

Hours of Rain1

Sat 5/30

75° /59°
3%
Sun and some clouds

RealFeel®82°

RealFeel Shade™75°

Max UV Index9.0 (Very High)

WindSW 5 mph

Sun 5/31

78° /58°
3%
Sun and some clouds

RealFeel®88°

RealFeel Shade™79°

Max UV Index10.0 (Very High)

WindWSW 4 mph

Mon 6/1

76° /57°
62%
Humid with occasional rain

RealFeel®86°

RealFeel Shade™80°

Max UV Index4.0 (Moderate)

WindENE 5 mph

Hours of Precipitation4

Hours of Rain4

Tue 6/2

77° /55°
1%
Humid with sunshine and a few clouds

RealFeel®91°

RealFeel Shade™82°

Max UV Index11.0 (Extreme)

WindSE 5 mph

Wed 6/3

75° /56°
10%
Sunny to partly cloudy and humid

RealFeel®90°

RealFeel Shade™78°

Max UV Index11.0 (Extreme)

WindWNW 2 mph

Thu 6/4

81° /60°
10%
Mostly sunny

RealFeel®92°

RealFeel Shade™82°

Max UV Index11.0 (Extreme)

WindW 2 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Storms to bring needed rain, but also flood risk to Plains, Southeast

44 minutes ago

Weather Forecasts

Northeast temps to crash 25° to 50°F ahead of Memorial Day weekend

5 hours ago

Travel

Waymo recalls robotaxi fleet after one drove into Texas floodwaters

21 minutes ago

Hurricane

Hurricane Hunters will drop new drone into Atlantic hurricanes to meas...

1 day ago

Weather Forecasts

Memorial Day weekend: wet in East, Southeast; mostly dry in the West

5 hours ago

More Stories

Featured Stories

Astronomy

SpaceX poised for first Starship flight test of 2026 following delays

2 days ago

Recreation

It’s nearly Memorial Day, but this national park just had a snowstorm

23 hours ago

Weather News

Help name the first bald eagles born in Chicago in over 100 years

2 hours ago

Weather News

California gray wolf is spotted in Sequoia, marking historic return

1 day ago

Weather News

India scorched by heat wave, power demand driven to new record

2 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

...

...

...