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

41°F

5°C

Humidity 38%
Wind Speed SW 5 mph
Barometer 30.15 in (1022.7 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Jan 4:53 pm EST
Extended Forecast for

McKnightstown PA

  • Tonight

    Tonight: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Light south wind.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Cloudy, with a high near 49. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 24. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Calm wind.
Tuesday
Mostly sunny, with a high near 48. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 37. Light south wind.
Wednesday
Rain likely, mainly after 1pm. Cloudy, with a high near 49. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 24. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 21.
Saturday
A chance of snow showers after 1pm. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 12.
M.L.King Day
Mostly sunny, with a high near 28.
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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:
5:36 pm EST Jan 12, 2026
Forecast Valid:
5pm EST Jan 12, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation