Hazardous Weather Conditions
Current conditions at
Hagerstown, Washington County Regional Airport (KHGR)
Lat: 39.71°NLon: 77.73°WElev: 702ft.
Overcast
75°F
24°C
| Humidity | 79% |
| Wind Speed | S 9 mph |
| Barometer | 30.07 in (1018.4 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 16 Aug 5:53 am EDT |
Extended Forecast for
3 Miles NW Mercersburg PA
Flood Watch until August 16, 10:00pm
NOW until 10:00pm Sun
Flood Watch
Today
High: 81 °F
Showers then
Showers
LikelyTonight
Low: 70 °F
Showers then
Chance
ShowersMonday
High: 87 °F
Mostly Sunny
then Chance
ShowersMonday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 84 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 86 °F
Sunny
Wednesday Night
Low: 66 °F
Chance
T-storms
Detailed Forecast
Today
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 81. Southeast wind around 6 mph becoming south in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Low around 70. Southwest wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 87. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 64. Northwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 84. Northwest wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 86.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NW Mercersburg PA
39.87°N 77.93°W (Elev. 686 ft)
39.87°N 77.93°W (Elev. 686 ft)
6:18 am EDT Aug 16, 2026
6am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
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