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.

Fair

12°F

-11°C

Humidity 73%
Wind Speed W 7 mph
Barometer 30.20 in (1025.0 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 1 Feb 8:56 pm EST
Extended Forecast for

Canonsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 2. Wind chill values as low as -6. Southwest wind 3 to 5 mph.

    Low: 2 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27. Wind chill values as low as -7. Southwest wind 5 to 7 mph.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of snow. Mostly cloudy, with a low around 19. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 31. West wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 10. Calm wind.

    Low: 10 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 24.

    High: 24 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of snow after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.

    Low: 14 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 2. Wind chill values as low as -6. Southwest wind 3 to 5 mph.
Monday
Partly sunny, with a high near 27. Wind chill values as low as -7. Southwest wind 5 to 7 mph.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 19. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 31. West wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 10. Calm wind.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 6.
Thursday
Mostly cloudy, with a high near 24.
Thursday Night
A chance of snow after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 40%.
Friday
Snow. High near 31. Chance of precipitation is 80%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 16.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Partly sunny, with a high near 22.
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:
8:24 pm EST Feb 1, 2026
Forecast Valid:
9pm EST Feb 1, 2026-6pm EST Feb 8, 2026
 
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