Hazardous Weather Conditions
Current conditions at
Hagerstown, Washington County Regional Airport (KHGR)
Lat: 39.71°NLon: 77.73°WElev: 702ft.
Overcast
78°F
26°C
| Humidity | 76% |
| Wind Speed | SE 8 mph |
| Barometer | 29.97 in (1015.3 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 17 Jun 2:53 pm EDT |
Extended Forecast for
Mercersburg PA
Flood Watch June 17, 03:20pm until June 17, 10:00pm
NOW until 10:00pm Tue
Flood Watch
This Afternoon
High: 80 °F
Showers
LikelyTonight
Low: 69 °F
T-storms then
Chance
Showers and
Patchy FogWednesday
High: 86 °F
T-storms
Likely and
Patchy FogWednesday Night
Low: 69 °F
Mostly Clear
Juneteenth
High: 89 °F
Slight Chance
T-storms then
Severe
ThunderstormsThursday Night
Low: 63 °F
Severe
Thunderstorms
then Partly
CloudyFriday
High: 85 °F
Sunny
Friday Night
Low: 63 °F
Mostly Clear
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 80. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Patchy fog before 2am, then patchy fog after 3am. Low around 69. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Juneteenth
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could be severe. Mostly sunny, with a high near 89. West wind 6 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Some of the storms could be severe. Partly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny and hot, with a high near 95.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mercersburg PA
39.82°N 77.88°W (Elev. 551 ft)
39.82°N 77.88°W (Elev. 551 ft)
3:10 pm EDT Jun 17, 2025
3pm EDT Jun 17, 2025-6pm EDT Jun 24, 2025
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