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 and Breezy

43°F

6°C

Humidity 40%
Wind Speed NW 21 G 30 mph
Barometer 29.99 in (1016.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Mar 7:53 am EDT
Extended Forecast for

McKnightstown PA

  • Today

    Today: Sunny, with a high near 51. West wind 11 to 14 mph, with gusts as high as 38 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 54. Light east wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 26 mph.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 48. Southeast wind 7 to 9 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 67. Breezy, with a south wind 14 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers likely, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 25. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 51. West wind 11 to 14 mph, with gusts as high as 38 mph.
Tonight
Increasing clouds, with a low around 33. Calm wind.
Sunday
Mostly cloudy, with a high near 54. Light east wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 26 mph.
Sunday Night
Showers, mainly after 2am. Low around 48. Southeast wind 7 to 9 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 67. Breezy, with a south wind 14 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers likely, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 25. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
McKnightstown PA
 39.85°N 77.32°W (Elev. 587 ft)
Last Update:
8:05 am EDT Mar 14, 2026
Forecast Valid:
8am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation