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

39°F

4°C

Humidity 50%
Wind Speed E 3 mph
Barometer 30.32 in (1028.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 25 Mar 2:53 am EDT
Extended Forecast for

Mc Knightstown PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 54 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 69. Southwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain, then rain and possibly a thunderstorm after 2am. Low around 47. Southwest wind around 7 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 52. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Calm wind.
Wednesday
Mostly cloudy, with a high near 54. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 43. South wind around 6 mph.
Thursday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 69. Southwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
A chance of rain, then rain and possibly a thunderstorm after 2am. Low around 47. Southwest wind around 7 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 8am. High near 52. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Partly sunny, with a high near 67. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Knightstown PA
 39.9°N 77.37°W (Elev. 1280 ft)
Last Update:
2:41 am EDT Mar 25, 2026
Forecast Valid:
3am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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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