National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Overcast

45°F

7°C

Humidity 68%
Wind Speed NW 15 G 23 mph
Barometer 29.55 in (1001.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Nov 11:53 pm EST
Extended Forecast for

South Mountain PA

  • Overnight

    Overnight: A slight chance of rain before 5am, then a chance of rain and snow. Cloudy, with a low around 34. North wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before 1pm, then a slight chance of rain between 1pm and 3pm. Mostly cloudy, with a high near 40. Northwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Northwest wind 7 to 9 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 42. Northwest wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 42 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of rain before 5am, then a chance of rain and snow. Cloudy, with a low around 34. North wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain and snow before 1pm, then a slight chance of rain between 1pm and 3pm. Mostly cloudy, with a high near 40. Northwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 29. Northwest wind 7 to 9 mph.
Saturday
Mostly cloudy, with a high near 42. Northwest wind 7 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 32. West wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Clear, with a low around 29.
Wednesday
Sunny, with a high near 56.
Wednesday Night
Clear, with a low around 32.
Thursday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Mountain PA
 39.85°N 77.5°W (Elev. 1627 ft)
Last Update:
7:06 pm EST Nov 12, 2026
Forecast Valid:
12am EST Nov 13, 2026-6pm EST Nov 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation