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

65°F

18°C

Humidity 87%
Wind Speed Calm
Barometer 30.05 in (1018.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Aug 2:53 am EDT
Extended Forecast for

McKnightstown PA

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Light east wind.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 66. Calm wind.

    Low: 66 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 88. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Areas Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Calm wind.
Tuesday
Mostly sunny, with a high near 84. Light east wind.
Tuesday Night
Increasing clouds, with a low around 66. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 82. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 88. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
McKnightstown PA
 39.88°N 77.32°W (Elev. 617 ft)
Last Update:
3:01 am EDT Aug 4, 2026
Forecast Valid:
3am EDT Aug 4, 2026-6pm EDT Aug 10, 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