National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

75°F

24°C

Humidity 71%
Wind Speed SW 10 mph
Barometer 29.64 in (1003.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 18 Jun 11:53 am EDT
Extended Forecast for

Mc Knightstown PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Partly sunny, with a high near 83. West wind around 15 mph, with gusts as high as 39 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 28 mph.

    Low: 61 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 78. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. West wind 3 to 7 mph. Winds could gust as high as 21 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. West wind 6 to 9 mph, with gusts as high as 23 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Partly sunny, with a high near 83. West wind around 15 mph, with gusts as high as 39 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 61. West wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 28 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 78. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 58. West wind 3 to 7 mph. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 78. West wind 6 to 9 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Knightstown PA
 39.93°N 77.37°W (Elev. 1276 ft)
Last Update:
8:06 am EDT Jun 18, 2026
Forecast Valid:
12pm EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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