National Weather Service

News Headlines

Do you use NOAA Weather Radio? If so, please fill out this short survey!

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

80°F

27°C

Humidity	54%
Wind Speed	S 7 mph
Barometer	30.14 in (1020.9 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	19 May 8:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles SSW Mercersburg PA

Today
High: 95 °F
Hot
Tonight
Low: 70 °F
Mostly Cloudy
Wednesday
High: 90 °F
Slight Chance
Showers then
Showers
Wednesday Night
Low: 57 °F
Showers then
Chance
Showers
Thursday
High: 67 °F
Chance
Showers
Thursday Night
Low: 53 °F
Chance
Showers
Friday
High: 60 °F
Showers
Friday Night
Low: 50 °F
Showers
Saturday
High: 66 °F
Showers

Detailed Forecast

Today

Mostly sunny and hot, with a high near 95. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

Tonight

Mostly cloudy, with a low around 70. Light west wind.

Wednesday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 90. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers, mainly before 8pm. Low around 57. North wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

A chance of showers. Partly sunny, with a high near 67. Northeast wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Showers. High near 60. Chance of precipitation is 90%.

Friday Night

Showers. Low around 50. Chance of precipitation is 90%.

Saturday

Showers. High near 66. Chance of precipitation is 80%.

Saturday Night

Showers likely, mainly before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

Sunday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.