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.

Overcast

38°F

3°C

Humidity 55%
Wind Speed SW 5 mph
Barometer 30.14 in (1021.6 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 19 Mar 4:56 am EDT
Extended Forecast for

Canonsburg PA

  • Today

    Today: A slight chance of rain between 1pm and 2pm. Partly sunny, with a high near 54. West wind around 7 mph. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 63. Southwest wind 6 to 14 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain and thunderstorms before 11pm, then a chance of rain between 11pm and 2am. Mostly cloudy, with a low around 44. West wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 63. West wind 5 to 7 mph.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Mostly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: A chance of rain before 8am. Partly sunny, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain
    then Partly
    Sunny

Detailed Forecast

Today
A slight chance of rain between 1pm and 2pm. Partly sunny, with a high near 54. West wind around 7 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 38. Calm wind.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 63. Southwest wind 6 to 14 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain and thunderstorms before 11pm, then a chance of rain between 11pm and 2am. Mostly cloudy, with a low around 44. West wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 63. West wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A chance of rain after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Sunday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Monday
A chance of rain before 8am. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 56.
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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:
4:16 am EDT Mar 19, 2026
Forecast Valid:
5am EDT Mar 19, 2026-6pm EDT Mar 25, 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