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

8°F

-13°C

Humidity 83%
Wind Speed SW 6 mph
Barometer 30.20 in (1025.1 mb)
Dewpoint 4°F (-16°C)
Visibility 3.00 mi
Wind Chill-2°F (-19°C)
Last update 1 Feb 7:56 am EST
Extended Forecast for

Canonsburg PA

Cold Weather Advisory February 1, 08:19am until February 1, 11:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory February 1, 08:19am until February 1, 11:00am

    NOW until 11:00am Sun

    Cold Weather Advisory

  • Today

    High: 19 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 4. Wind chill values as low as -3. West wind 3 to 6 mph.

    Low: 4 °F

    Mostly Cloudy

  • Monday

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

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 18. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A slight chance of snow after 1pm. Mostly cloudy, with a high near 31. West wind 3 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.

    Low: 10 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 19. Wind chill values as low as -12. West wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 4. Wind chill values as low as -3. West wind 3 to 6 mph.
Monday
Partly sunny, with a high near 27. Wind chill values as low as -5. Southwest wind 5 to 7 mph.
Monday Night
A slight chance of snow before 1am. Mostly cloudy, with a low around 18. Southwest wind around 5 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of snow after 1pm. Mostly cloudy, with a high near 31. West wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
Partly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 4.
Thursday
Partly sunny, with a high near 24.
Thursday Night
A chance of snow after 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Friday
Snow. High near 32. Chance of precipitation is 80%.
Friday Night
Snow likely. Mostly cloudy, with a low around 7. Chance of precipitation is 60%.
Saturday
Mostly cloudy and cold, with a high near 15.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.25°N 80.18°W (Elev. 997 ft)
Last Update:
5:36 am EST Feb 1, 2026
Forecast Valid:
8am EST Feb 1, 2026-6pm EST Feb 7, 2026
 
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