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

44°F

7°C

Humidity 43%
Wind Speed S 5 mph
Barometer 30.37 in (1028.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 9 Apr 6:56 am EDT
Extended Forecast for

Canonsburg PA

  • Today

    Today: Sunny, with a high near 72. Southwest wind 6 to 10 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. South wind around 6 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers after 2pm. Mostly sunny, with a high near 75. Southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 75 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 43. West wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 64. North wind around 6 mph.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 72. Southwest wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 50. South wind around 6 mph.
Friday
A slight chance of showers after 2pm. Mostly sunny, with a high near 75. Southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 43. West wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Sunny, with a high near 64. North wind around 6 mph.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly cloudy, with a high near 78.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
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:
5:36 am EDT Apr 9, 2026
Forecast Valid:
7am EDT Apr 9, 2026-6pm EDT Apr 15, 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