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 Rain Fog/Mist

52°F

11°C

Humidity 97%
Wind Speed SW 7 mph
Barometer 30.15 in (1021.6 mb)
Dewpoint 51°F (11°C)
Visibility 6.00 mi
Wind Chill50°F (10°C)
Last update 3 Mar 5:56 pm EST
Extended Forecast for

Canonsburg PA

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog after 1am. Low around 44. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain then
    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain likely, mainly after 5pm. Cloudy, with a high near 56. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Low around 51. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 4pm. High near 69. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 56. Southwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain

  • Friday

    Friday: A chance of rain before 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 73. Chance of precipitation is 90%.

    High: 73 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Tonight
Rain, mainly before 4am. Patchy fog after 1am. Low around 44. Southwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly after 5pm. Cloudy, with a high near 56. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain before 10pm, then rain and possibly a thunderstorm between 10pm and 4am, then rain after 4am. Low around 51. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain, with thunderstorms also possible after 4pm. High near 69. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm. Low around 56. Southwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of rain before 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 73. Chance of precipitation is 90%.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 67.
Monday Night
A chance of rain. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
A chance of rain. Partly sunny, with a high near 73. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.25°N 80.18°W (Elev. 997 ft)
Last Update:
1:58 pm EST Mar 3, 2026
Forecast Valid:
6pm EST Mar 3, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation