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.

Light Snow

28°F

-2°C

Humidity 81%
Wind Speed W 13 G 21 mph
Barometer 30.33 in (1028.4 mb)
Dewpoint 23°F (-5°C)
Visibility 9.00 mi
Wind Chill17°F (-8°C)
Last update 11 Jan 8:56 pm EST
Extended Forecast for

Canonsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. West wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 46. South wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 46 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 38. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Scattered
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 43. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 1am, then snow showers. Low around 24. Chance of precipitation is 90%.

    Low: 24 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.

    Low: 16 °F

    Scattered
    Snow Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. West wind 9 to 13 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 38. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 28. Southwest wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 46. South wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 38. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers. High near 43. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain showers before 1am, then snow showers. Low around 24. Chance of precipitation is 90%.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Thursday Night
Scattered snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 30.
Friday Night
Scattered snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Saturday
Scattered snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Saturday Night
Scattered snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Sunday
Scattered snow showers. Partly sunny, with a high near 27. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.25°N 80.18°W (Elev. 997 ft)
Last Update:
6:02 pm EST Jan 11, 2026
Forecast Valid:
9pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation