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

57°F

14°C

Humidity 74%
Wind Speed NE 10 mph
Barometer 30.18 in (1022.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 Oct 7:53 am EDT
Extended Forecast for

McKnightstown PA

  • Today

    Today: A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 63. Northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A chance of rain, mainly between 11pm and 5am. Cloudy, with a low around 55. South wind 3 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance Rain

  • Friday

    Friday: A slight chance of rain before 8am, then a chance of thunderstorms after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 80. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Northwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 52. North wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 63. Northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain, mainly between 11pm and 5am. Cloudy, with a low around 55. South wind 3 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of rain before 8am, then a chance of thunderstorms after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 80. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Northwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 52. North wind 11 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 33.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
McKnightstown PA
 39.88°N 77.32°W (Elev. 617 ft)
Last Update:
8:06 am EDT Oct 15, 2026
Forecast Valid:
8am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation