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

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Mostly Cloudy and Breezy

64°F

18°C

Humidity 84%
Wind Speed S 21 G 35 mph
Barometer 29.32 in (993.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Mar 3:53 pm EDT
Extended Forecast for

Greencastle PA

Wind Advisory March 16, 07:00pm until March 16, 11:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Rain and possibly a thunderstorm. High near 68. South wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Rain

  • Tonight

    Tonight: Rain and snow before 11pm, then a chance of snow between 11pm and 2am. Some thunder is also possible. Low around 27. West wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: Increasing clouds, with a high near 37. West wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 37 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. West wind 5 to 9 mph becoming light after midnight.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 2pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.

    High: 58 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm. High near 68. South wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and snow before 11pm, then a chance of snow between 11pm and 2am. Some thunder is also possible. Low around 27. West wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
Increasing clouds, with a high near 37. West wind 10 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 22. West wind 5 to 9 mph becoming light after midnight.
Wednesday
Partly sunny, with a high near 40. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
A chance of rain after 2pm. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greencastle PA
 39.78°N 77.74°W (Elev. 548 ft)
Last Update:
4:42 pm EDT Mar 16, 2026
Forecast Valid:
4pm EDT Mar 16, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation