Hazardous Weather Conditions
Current conditions at
Hagerstown, Washington County Regional Airport (KHGR)
Lat: 39.71°NLon: 77.73°WElev: 702ft.
A Few Clouds
97°F
36°C
| Humidity | 35% |
| Wind Speed | Vrbl 3 mph |
| Barometer | 29.95 in (1014.2 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 4 Jul 2:53 pm EDT |
Extended Forecast for
Chambersburg PA
Extreme Heat Warning July 4, 03:23pm until July 4, 08:00pm
NOW until 8:00pm Sat

Extreme Heat Warning
Independence Day

High: 97 °F
Hot
Tonight
Low: 70 °F
Severe
Thunderstorms
then Chance
Showers and
Patchy FogSunday
High: 92 °F
Slight Chance
Showers then
T-stormsSunday Night

Low: 67 °F
Showers and
Patchy FogMonday

High: 81 °F
Showers
Monday Night

Low: 65 °F
Showers
Tuesday
High: 81 °F
Chance
Showers then
Chance
T-stormsTuesday Night
Low: 64 °F
Chance
T-storms then
Mostly Cloudy
Detailed Forecast
Independence Day
Mostly sunny and hot, with a high near 97. Heat index values as high as 102. West wind around 6 mph.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could be severe. Patchy fog after 5am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 92. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 11pm. Low around 67. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 81. Light east wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Tuesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Mostly cloudy, with a low around 69.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
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)
2:23 pm EDT Jul 4, 2026
3pm EDT Jul 4, 2026-6pm EDT Jul 11, 2026



