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

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 30.06 in (1018.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 8 Aug 3:53 am EDT
Extended Forecast for

Chambersburg PA

  • Overnight

    Overnight: A slight chance of showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 1pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.

    High: 91 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

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

    Low: 68 °F

    Showers
    Likely

Detailed Forecast

Overnight
A slight chance of showers. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Saturday
A chance of showers before 1pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. Calm wind.
Monday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 70.
Tuesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Mostly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
2:21 am EDT Aug 8, 2026
Forecast Valid:
4am EDT Aug 8, 2026-6pm EDT Aug 14, 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