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

46°F

8°C

Humidity 58%
Wind Speed SE 3 mph
Barometer 29.98 in (1016.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 9 Mar 4:53 am EDT
Extended Forecast for

Greencastle PA

  • Today

    Today: Sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 56. Light south wind.

    Low: 56 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 75. South wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers. Low around 44. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers

  • Thursday

    Thursday: A chance of rain and snow showers before 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.

    High: 48 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.

    High: 53 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 46. Calm wind.
Tuesday
Sunny, with a high near 75. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 56. Light south wind.
Wednesday
Showers likely. Mostly cloudy, with a high near 75. South wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers. Low around 44. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain and snow showers before 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 31.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 36. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
A chance of showers. Cloudy, with a high near 59. Chance of precipitation is 30%.
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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:
4:46 am EDT Mar 9, 2026
Forecast Valid:
5am EDT Mar 9, 2026-6pm EDT Mar 15, 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