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 93%
Wind Speed Calm
Barometer 29.99 in (1016.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 11 Nov 8:56 am EST
Extended Forecast for

Canonsburg PA

  • Veterans Day

    Veterans Day: Mostly sunny, then becoming cloudy late, with a high near 64. Calm wind becoming south around 6 mph in the afternoon.

    High: 64 °F

    Becoming
    Cloudy

  • Tonight

    Tonight: Rain likely, mainly after 3am. Mostly cloudy, with a low around 45. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday

    Thursday: Rain before 10am, then rain likely after 1pm. High near 50. Northwest wind 5 to 14 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 4am, then a slight chance of snow. Mostly cloudy, with a low around 34. Northwest wind 8 to 14 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow before 10am, then a chance of rain between 10am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 43. Northwest wind 9 to 13 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Veterans Day
Mostly sunny, then becoming cloudy late, with a high near 64. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Rain likely, mainly after 3am. Mostly cloudy, with a low around 45. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before 10am, then rain likely after 1pm. High near 50. Northwest wind 5 to 14 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely before 4am, then a slight chance of snow. Mostly cloudy, with a low around 34. Northwest wind 8 to 14 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A slight chance of snow before 10am, then a chance of rain between 10am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 43. Northwest wind 9 to 13 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.27°N 80.18°W (Elev. 1030 ft)
Last Update:
8:11 am EST Nov 11, 2026
Forecast Valid:
9am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation