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Harp, Maryland Weather Forecast
Harp, Maryland Weather
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Weather Forecast for Harp, Maryland : Frederick County
Issued: 9:53 pm EST Dec 13, 2025 Latitude: 39.5320446 Longitude: -77.5274879 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
90% chance of snow on Overnight Mostly Sunny on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday 30% chance of rain on Thursday Mostly Sunny on Friday 30% chance of  on Saturday
Low: 20°F High: 22°F High: 26°F High: 33°F High: 45°F High: 48°F High: 41°F High: 41°F
Low: 16°F Low: 19°F Low: 25°F Low: 31°F Low: 34°F Low: 27°F  
Snow Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny Rain Mostly Sunny Partly Sunny
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Current Conditions at
FREDERICK MUNICIPAL AIR - (KFDK)
32°
Mostly Clear
Light Snow Mist
as of 11:55 PM EST
Rel. Humidity: 100%
Dew Point: 32°F
Visibility: 2 1/2 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Few at 1300ft
Current Conditions at
HAGERSTOWN - (KHGR)
34°
Cloudy
Light Snow Mist
as of 11:53 PM EST
Rel. Humidity: 93%
Dew Point: 32°F
Visibility: 3 Miles
Pressure: 29.97 in.
Flight Rule: MVFR
Wind Data
3 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 4300ft
Current Conditions at
MARTINSBURG - (KMRB)
32°
Cloudy
Light Snow Mist
as of 11:53 PM EST
Rel. Humidity: 92%
Dew Point: 30°F
Visibility: 1 1/2 Miles
Pressure: 29.97 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Broken at 400ft, Solid Overcast at 1100ft
Current Conditions at
CARROLL CNTY ARPT - (KDMW)
34°
Cloudy
Snow
as of 11:55 PM EST
Rel. Humidity: 100%
Dew Point: 34°F
Visibility: 3/4 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 600ft
90% chance of snow Overnight Overnight... Snow, mainly before 4am. The snow could be heavy at times. Low around 20. Northwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 22. Wind chill values as low as zero. Blustery, with a northwest wind 16 to 22 mph, with gusts as high as 33 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 16. Wind chill values as low as -1. Blustery, with a northwest wind 14 to 21 mph, with gusts as high as 32 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 26. West wind 7 to 11 mph, with gusts as high as 22 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 19. South wind around 5 mph becoming light and variable.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 33.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 25.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 45.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 31.

30% chance of rain Thursday Thursday... A chance of showers after 1pm. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.

70% chance of rain Thursday Night Thursday Night... Showers likely. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 41.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 27.

30% chance of  Saturday Saturday... A chance of showers. Partly sunny, with a high near 41. Chance of precipitation is 30%.

Current Radar Image


Sun Almanac for Harp, Maryland
Sunrise: 07:23 AM
Sunset: 4:47 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:24 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.