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

Washington County Airport (KAFJ)

Lat: 40.14°NLon: 80.29°WElev: 1184ft.

Light Snow and Breezy

31°F

-1°C

Humidity 67%
Wind Speed W 23 mph
Barometer 30.22 in (1024.7 mb)
Dewpoint 21°F (-6°C)
Visibility 9.00 mi
Wind Chill18°F (-8°C)
Last update 28 Nov 1:56 pm EST
Extended Forecast for

Canonsburg PA

  • This Afternoon

    This Afternoon: A chance of flurries after 3pm. Mostly cloudy, with a high near 34. West wind 16 to 18 mph, with gusts as high as 30 mph.

    High: 34 °F

    Chance
    Flurries

  • Tonight

    Tonight: Partly cloudy, with a low around 20. West wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 37. Calm wind becoming east around 6 mph in the afternoon.

    High: 37 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Snow likely before 4am, then snow likely, possibly mixed with rain. Cloudy, with a low around 29. East wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow, becoming all rain after 10am. High near 43. South wind 14 to 18 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow
    then Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.

    High: 35 °F

    Snow Likely

Detailed Forecast

This Afternoon
A chance of flurries after 3pm. Mostly cloudy, with a high near 34. West wind 16 to 18 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 20. West wind 5 to 10 mph, with gusts as high as 21 mph.
Saturday
Increasing clouds, with a high near 37. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Snow likely before 4am, then snow likely, possibly mixed with rain. Cloudy, with a low around 29. East wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
Rain and snow, becoming all rain after 10am. High near 43. South wind 14 to 18 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly cloudy, with a high near 34.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Tuesday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly cloudy, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.25°N 80.18°W (Elev. 997 ft)
Last Update:
12:25 pm EST Nov 28, 2025
Forecast Valid:
2pm EST Nov 28, 2025-6pm EST Dec 4, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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