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Hazardous Weather Conditions
Current conditions at
Hagerstown, Washington County Regional Airport (KHGR)
Lat: 39.71°NLon: 77.73°WElev: 702ft.
Fair
81°F
27°C
| Humidity | 34% |
| Wind Speed | S 12 mph |
| Barometer | 29.65 in (1004.5 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 22 Mar 2:53 pm EDT |
Extended Forecast for
3 Miles SSW Mercersburg PA
Tonight
Low: 48 °F
Severe
Thunderstorms
then ShowersMonday

High: 54 °F
Chance
ShowersMonday Night

Low: 30 °F
Partly Cloudy
Tuesday

High: 49 °F
Sunny
Tuesday Night

Low: 34 °F
Mostly Cloudy
Wednesday

High: 59 °F
Partly Sunny
Wednesday Night

Low: 42 °F
Mostly Cloudy
Thursday

High: 65 °F
Mostly Cloudy
Thursday Night

Low: 47 °F
Showers
Likely
Detailed Forecast
Tonight
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could be severe. Low around 48. Southwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 54. Northwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 30. Northwest wind 5 to 10 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 49. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 34. Calm wind.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Mostly cloudy, with a high near 65.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Friday
Showers likely, mainly before 8am. Partly sunny, with a high near 56. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 55.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Mercersburg PA
39.78°N 77.94°W (Elev. 551 ft)
39.78°N 77.94°W (Elev. 551 ft)
3:15 pm EDT Mar 22, 2026
3pm EDT Mar 22, 2026-6pm EDT Mar 29, 2026



