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

26°F

-3°C

Humidity 78%
Wind Speed Calm
Barometer 29.98 in (1016.3 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 27 Feb 12:56 am EST
Extended Forecast for

Canonsburg PA

  • Overnight

    Overnight: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. South wind 6 to 8 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 58. West wind around 7 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 30. North wind 5 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Partly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °F

    Partly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.

    High: 36 °F

    Chance Snow

  • Monday Night

    Monday Night: A chance of rain after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 27. Calm wind.
Friday
Sunny, with a high near 54. Calm wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 38. South wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 58. West wind around 7 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 30. North wind 5 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
A chance of snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Monday Night
A chance of rain after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Tuesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Cloudy, with a low around 38. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.25°N 80.18°W (Elev. 997 ft)
Last Update:
1:22 am EST Feb 27, 2026
Forecast Valid:
1am EST Feb 27, 2026-6pm EST Mar 5, 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