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

73°F

23°C

Humidity 53%
Wind Speed Calm
Barometer 30.17 in (1021.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 3 Aug 7:56 pm EDT
Extended Forecast for

Canonsburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 56. Light east wind.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. Light southeast wind.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain before 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Light east wind.
Monday
Sunny, with a high near 83. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 61. Light southeast wind.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening.
Wednesday
A chance of rain before 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
A chance of rain between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 2am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 64.
Saturday
A chance of sprinkles. Mostly sunny, with a high near 86.
Saturday Night
A chance of sprinkles. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.27°N 80.18°W (Elev. 1030 ft)
Last Update:
7:04 pm EDT Aug 3, 2025
Forecast Valid:
8pm EDT Aug 3, 2025-6pm EDT Aug 10, 2025
 
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