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.

A Few Clouds

75°F

24°C

Humidity 82%
Wind Speed W 3 mph
Barometer 29.61 in (1003.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 28 Jul 7:53 pm EDT
Extended Forecast for

Greencastle PA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 64. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 83. North wind around 11 mph, with gusts as high as 21 mph.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. North wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 64. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 83. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 64. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 83. North wind around 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 62. North wind 3 to 6 mph.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 89.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 68.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greencastle PA
 39.78°N 77.74°W (Elev. 548 ft)
Last Update:
8:11 pm EDT Jul 28, 2026
Forecast Valid:
8pm EDT Jul 28, 2026-6pm EDT Aug 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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