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.

Overcast

32°F

0°C

Humidity 61%
Wind Speed E 6 mph
Barometer 30.43 in (1031.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 2 Mar 3:56 pm EST
Extended Forecast for

Canonsburg PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 38. East wind around 6 mph.

    High: 38 °F

    Partly Sunny

  • Tonight

    Tonight: Rain, mainly after 2am. Low around 33. East wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Slight Chance
    Rain then
    Rain

  • Tuesday

    Tuesday: Rain. High near 54. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 45. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Cloudy, with a high near 58. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain

  • Thursday

    Thursday: Rain. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Rain

  • Friday

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

    High: 71 °F

    Chance Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 38. East wind around 6 mph.
Tonight
Rain, mainly after 2am. Low around 33. East wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 54. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 45. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly after 1pm. Cloudy, with a high near 58. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 71. Chance of precipitation is 80%.
Thursday Night
Rain. Low around 57. Chance of precipitation is 80%.
Friday
A chance of rain before 1pm. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Friday Night
A chance of rain after 1am. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
Rain likely. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Sunday
A chance of rain. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.25°N 80.18°W (Elev. 997 ft)
Last Update:
3:13 pm EST Mar 2, 2026
Forecast Valid:
4pm EST Mar 2, 2026-6pm EDT Mar 8, 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