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

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

37°F

3°C

Humidity 70%
Wind Speed S 8 mph
Barometer 30.04 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 7 Dec 5:53 pm EST
Extended Forecast for

Greencastle PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Calm wind becoming north 5 to 9 mph after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 30. Northeast wind 6 to 10 mph.

    High: 30 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. Light and variable wind.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35. Calm wind becoming south 5 to 9 mph in the morning.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. South wind 6 to 8 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. Calm wind becoming north 5 to 9 mph after midnight.
Monday
Mostly cloudy, with a high near 30. Northeast wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 13. Light and variable wind.
Tuesday
Partly sunny, with a high near 35. Calm wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 27. South wind 6 to 8 mph.
Wednesday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 41.
Thursday Night
A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Friday
A chance of snow showers. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greencastle PA
 39.78°N 77.74°W (Elev. 548 ft)
Last Update:
6:06 pm EST Dec 7, 2025
Forecast Valid:
6pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
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