National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington County Airport (KAFJ)

Lat: 40.14°NLon: 80.29°WElev: 1184ft.

Mostly Cloudy

43°F

6°C

Humidity 82%
Wind Speed N 10 mph
Barometer 30.34 in (1027.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 17 Oct 8:56 am EDT
Extended Forecast for

2 Miles NE Canonsburg PA

Freeze Warning October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: A slight chance of showers between 10am and 11am. Mostly cloudy early, then gradual clearing, with a high near 51. Light and variable wind becoming north 10 to 15 mph in the morning. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers then
    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 3am. Otherwise, clear, with a low around 29. North wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 3am. Otherwise, clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 64 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between 10am and 11am. Mostly cloudy early, then gradual clearing, with a high near 51. Light and variable wind becoming north 10 to 15 mph in the morning. Chance of precipitation is 20%.
Tonight
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 29. North wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 59. Light and variable wind.
Sunday Night
Patchy frost after 3am. Otherwise, clear, with a low around 34. Calm wind.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Canonsburg PA
 40.3°N 80.18°W (Elev. 1096 ft)
Last Update:
9:41 am EDT Oct 17, 2026
Forecast Valid:
9am EDT Oct 17, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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