Hazardous Weather Conditions
Current conditions at
Hagerstown, Washington County Regional Airport (KHGR)
Lat: 39.71°NLon: 77.73°WElev: 702ft.
Fair
95°F
35°C
| Humidity | 44% |
| Wind Speed | SW 6 mph |
| Barometer | 30.05 in (1017.7 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 101°F (38°C) |
| Last update | 3 Jul 1:53 pm EDT |
Extended Forecast for
Chambersburg PA
Heat Advisory July 3, 08:00pm until July 4, 08:00pm
Extreme Heat Warning July 3, 02:23pm until July 3, 08:00pm
NOW until 8:00pm Fri

Extreme Heat Warning
This Afternoon

High: 101 °F
Hot
Tonight

Low: 77 °F
Partly Cloudy
Independence Day

High: 100 °F
Hot
Saturday Night
Low: 72 °F
Chance
T-storms then
Chance
ShowersSunday
High: 93 °F
Slight Chance
T-storms then
ShowersSunday Night

Low: 69 °F
Showers
Monday
High: 86 °F
Chance
Showers then
ShowersMonday Night

Low: 68 °F
Showers
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 101. Heat index values as high as 110. West wind around 7 mph.
Tonight
Partly cloudy, with a low around 77. West wind around 5 mph becoming calm in the evening.
Independence Day
Sunny and hot, with a high near 100. Heat index values as high as 105. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Increasing clouds, with a low around 72. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 93. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Low around 69. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm, mainly before 2am. Low around 68. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chambersburg PA
39.93°N 77.66°W (Elev. 617 ft)
39.93°N 77.66°W (Elev. 617 ft)
2:06 pm EDT Jul 3, 2026
2pm EDT Jul 3, 2026-6pm EDT Jul 9, 2026



