National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington County Airport (KAFJ)

Lat: 40.14°NLon: 80.29°WElev: 1184ft.

Light Snow Fog/Mist

30°F

-1°C

Humidity 100%
Wind Speed Calm
Barometer 29.87 in (1012.8 mb)
Dewpoint 30°F (-1°C)
Visibility 3.00 mi
Last update 2 Dec 8:56 am EST
Extended Forecast for

Canonsburg PA

Winter Weather Advisory December 2, 09:43am until December 2, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 2, 09:43am until December 2, 01:00pm

    NOW until 1:00pm Tue

    Winter Weather Advisory

  • Today

    High: 36 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. Southwest wind 5 to 10 mph.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow after 1am. Increasing clouds, with a low around 25. Southwest wind around 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 25 °F

    Partly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow before 1pm. Mostly cloudy, with a high near 31. Northwest wind 9 to 14 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of snow before 10am. Cloudy, with a high near 36. Light west wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 22. Northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 34. Southwest wind 5 to 10 mph.
Wednesday Night
A chance of snow after 1am. Increasing clouds, with a low around 25. Southwest wind around 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A chance of snow before 1pm. Mostly cloudy, with a high near 31. Northwest wind 9 to 14 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly cloudy, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.27°N 80.18°W (Elev. 1030 ft)
Last Update:
6:33 am EST Dec 2, 2025
Forecast Valid:
9am EST Dec 2, 2025-6pm EST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation