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Harmony Hills, Maryland Weather Forecast
Harmony Hills, Maryland Weather
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Weather Forecast for Harmony Hills, Maryland : Montgomery County
Issued: 6:53 pm EST Dec 18, 2025 Latitude: 39.0742753 Longitude: -77.0763672 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Christmas Day
100% chance of rain on Tonight 80% chance of thunderstorms on Friday Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday Mostly Cloudy on Tuesday Partly Sunny on Wednesday Mostly Cloudy on Christmas Day
Low: 57 °F High: 36 °F High: 44°F High: 48°F High: 39°F High: 45°F High: 50°F High: 52°F
Low: 25°F Low: 36°F Low: 24°F Low: 28°F Low: 36°F Low: 36°F  
Rain Thunderstorms Sunny Mostly Sunny Sunny Mostly Cloudy Partly Sunny Mostly Cloudy
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Current Conditions at
WASHINGTON - (KDCA)
45°
Cloudy
Light Rain
as of 9:02 PM EST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 7 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
3 MPH
070° East
Cloud Level(s): Scattered at 2600ft, Scattered at 3600ft, Solid Overcast at 6500ft
Current Conditions at
FORT MEADE - (KFME)
43°
Cloudy
as of 9:35 PM EST
Rel. Humidity: 93%
Dew Point: 41°F
Visibility: 5 Miles
Pressure: 29.99 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Scattered at 3400ft, Broken at 6000ft, Solid Overcast at 7000ft
Current Conditions at
CARROLL CNTY ARPT - (KDMW)
45°
Feels like 39°F
Cloudy
Light Rain
as of 9:35 PM EST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 7 Miles
Pressure: 29.93 in.
Flight Rule: MVFR
Wind Data
10 MPH
140° Southeast
Cloud Level(s): Broken at 2100ft, Solid Overcast at 6000ft
Current Conditions at
WASH-DULLES - (KIAD)
45°
Cloudy
Light Rain
as of 9:41 PM EST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
5 MPH
150° Southeast
Cloud Level(s): Scattered at 2100ft, Broken at 4400ft, Solid Overcast at 7000ft
100% chance of rain Tonight Tonight... Rain. Temperature rising to around 57 by 5am. Southeast wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

80% chance of thunderstorms Friday Friday... Rain and possibly a thunderstorm before noon, then a slight chance of rain between noon and 2pm. Temperature falling to around 36 by 5pm. Breezy, with a southwest wind 16 to 24 mph becoming west in the morning. Winds could gust as high as 46 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 25. Breezy, with a west wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 44 mph.

Sunny on Saturday Saturday... Sunny, with a high near 44. West wind 5 to 8 mph becoming south in the afternoon.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 36. South wind 8 to 10 mph, with gusts as high as 22 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 48.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 24.

Sunny on Monday Monday... Sunny, with a high near 39.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 28.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 45.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 36.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 50.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 36.

Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 52.

Current Radar Image


Sun Almanac for Harmony Hills, Maryland
Sunrise: 07:22 AM
Sunset: 4:48 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:18 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.