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

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Overcast

41°F

5°C

Humidity 87%
Wind Speed Calm
Barometer 29.76 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 28 Dec 9:53 pm EST
Extended Forecast for

Chambersburg PA

Wind Advisory December 29, 07:00am until December 30, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: A chance of showers, mainly after 5am. Cloudy, with a temperature rising to around 51 by 4am. South wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F⇑

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 51 by 8am, then falling to around 34 during the remainder of the day. West wind 10 to 18 mph, with gusts as high as 45 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F⇓

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. West wind 14 to 16 mph, with gusts as high as 43 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West wind 13 to 17 mph, with gusts as high as 40 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. West wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, mainly after 5am. Cloudy, with a temperature rising to around 51 by 4am. South wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 51 by 8am, then falling to around 34 during the remainder of the day. West wind 10 to 18 mph, with gusts as high as 45 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 24. West wind 14 to 16 mph, with gusts as high as 43 mph.
Tuesday
Partly sunny, with a high near 32. West wind 13 to 17 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 23. West wind 6 to 8 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 20.
New Year's Day
Mostly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
11:51 pm EST Dec 28, 2025
Forecast Valid:
12am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation