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

51°F

11°C

Humidity 39%
Wind Speed Calm
Barometer 30.20 in (1023.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 18 Apr 12:53 am EDT
Extended Forecast for

Greencastle PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. South wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. South wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 85. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. West wind around 7 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Calm wind.
Friday
Mostly sunny, with a high near 77. South wind 6 to 15 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 62. South wind 9 to 13 mph, with gusts as high as 21 mph.
Saturday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 85. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. West wind around 7 mph. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 71.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Mostly cloudy, with a high near 72.
Monday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A chance of showers. Partly sunny, with a high near 77. 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:
10:44 pm EDT Apr 17, 2025
Forecast Valid:
1am EDT Apr 18, 2025-6pm EDT Apr 24, 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