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

33°F

1°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 30.29 in (1027.0 mb)
Dewpoint 32°F (0°C)
Visibility 8.00 mi
Wind Chill27°F (-3°C)
Last update 3 Mar 2:56 am EST
Extended Forecast for

Canonsburg PA

  • Overnight

    Overnight: Rain likely, mainly before 4am. Cloudy, with a low around 33. East wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 55. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 3am, then a slight chance of rain after 4am. Low around 44. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Cloudy, with a high near 57. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °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. South wind 3 to 5 mph. 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 1pm. High near 68. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 1am. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Rain

  • Friday

    Friday: A chance of rain before 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Rain likely, mainly before 4am. Cloudy, with a low around 33. East wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 55. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain before 3am, then a slight chance of rain after 4am. Low around 44. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly after 1pm. Cloudy, with a high near 57. 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. South wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain, with thunderstorms also possible after 1pm. High near 68. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain, mainly before 1am. Low around 56. Chance of precipitation is 80%.
Friday
A chance of rain before 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.
Friday Night
A chance of rain after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
Rain, mainly after 1pm. High near 76. Chance of precipitation is 80%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday
A chance of rain. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Monday
A chance of rain. Partly sunny, with a high near 68. Chance of precipitation is 30%.
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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:
1:21 am EST Mar 3, 2026
Forecast Valid:
3am EST Mar 3, 2026-6pm EDT Mar 9, 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