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

73°F

23°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 29.73 in (1007.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 3 Aug 2:53 am EDT
Extended Forecast for

McKnightstown PA

  • Overnight

    Overnight: A chance of showers and thunderstorms, mainly before 4am. Cloudy, with a low around 68. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 84. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 84 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then becoming sunny during the afternoon, with a high near 84. Light east wind.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 85. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Patchy Fog

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Areas Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms, mainly before 4am. Cloudy, with a low around 68. Light south wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 84. Calm wind becoming northwest 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 62. Calm wind.
Tuesday
Mostly cloudy, then becoming sunny during the afternoon, with a high near 84. Light east wind.
Tuesday Night
Mostly cloudy, with a low around 65. Calm wind.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 85. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 87. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly 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
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McKnightstown PA
 39.85°N 77.32°W (Elev. 587 ft)
Last Update:
2:21 am EDT Aug 3, 2026
Forecast Valid:
3am EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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