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.

Partly Cloudy

36°F

2°C

Humidity 89%
Wind Speed SW 15 G 22 mph
Barometer 30.01 in (1017.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 22 Jan 12:56 am EST
Extended Forecast for

Canonsburg PA

  • Overnight

    Overnight: A chance of rain, mixing with snow after 2am, then gradually ending. Mostly cloudy, with a low around 29. Southwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 34. West wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18. Southwest wind 6 to 9 mph.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 25. West wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 25 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 2. Northwest wind 5 to 10 mph.

    Low: 2 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Mostly cloudy and cold, with a high near 14. Chance of precipitation is 30%.

    High: 14 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Snow. Low around 10. Chance of precipitation is 80%.

    Low: 10 °F

    Snow

  • Sunday

    Sunday: Snow. High near 24. Chance of precipitation is 90%.

    High: 24 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.

    Low: 9 °F

    Snow Likely

Detailed Forecast

Overnight
A chance of rain, mixing with snow after 2am, then gradually ending. Mostly cloudy, with a low around 29. Southwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 34. West wind 14 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Mostly cloudy, with a low around 18. Southwest wind 6 to 9 mph.
Friday
Partly sunny, with a high near 25. West wind 10 to 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 2. Northwest wind 5 to 10 mph.
Saturday
A chance of snow after 1pm. Mostly cloudy and cold, with a high near 14. Chance of precipitation is 30%.
Saturday Night
Snow. Low around 10. Chance of precipitation is 80%.
Sunday
Snow. High near 24. Chance of precipitation is 90%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 18. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Partly sunny, with a high near 19.
Tuesday Night
Mostly cloudy, with a low around 9.
Wednesday
A chance of snow. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
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:
12:28 am EST Jan 22, 2026
Forecast Valid:
1am EST Jan 22, 2026-6pm EST Jan 28, 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