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Potomac, Maryland Weather Forecast
Potomac, Maryland Weather
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Weather Forecast for Potomac, Maryland : Allegany County
Issued: 9:53 am EST Dec 14, 2025 Latitude: 39.5675895 Longitude: -78.83891 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Partly Sunny on This Afternoon Cloudy on Tonight Partly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday 30% chance of rain on Thursday Mostly Sunny on Friday Partly Sunny on Saturday
High: 23°F Low: 13°F High: 28°F High: 39°F High: 48°F High: 51°F High: 40°F High: 48°F
Low: 17°F Low: 27°F Low: 30°F Low: 30°F Low: 25°F  
Partly Sunny Cloudy Partly Sunny Mostly Sunny Partly Sunny Rain Mostly Sunny Partly Sunny
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Current Conditions at
GREATER CUMBERLAND ARPT - (KCBE)
19°
Feels like 4°F
Mostly Cloudy
as of 11:35 AM EST
Rel. Humidity: 44%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 28 MPH
320° Northwest
Cloud Level(s): Scattered at 4000ft, Broken at 4600ft
Current Conditions at
PETERSBURG - (KW99)
21°
Feels like 9°F
Cloudy
as of 11:35 AM EST
Rel. Humidity: 44%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 17 MPH
340° North
Cloud Level(s): Scattered at 3900ft, Broken at 5000ft, Solid Overcast at 6000ft
Current Conditions at
WINCHESTER RGNL - (KOKV)
25°
Feels like 11°F
Cloudy
as of 11:35 AM EST
Rel. Humidity: 58%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 29 MPH
320° Northwest
Cloud Level(s): Broken at 4000ft, Solid Overcast at 4700ft
Partly Sunny on This Afternoon This Afternoon... Partly sunny, with a high near 23. Wind chill values as low as -3. Northwest wind around 18 mph, with gusts as high as 25 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 13. Wind chill values as low as -5. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 28. Wind chill values as low as zero. West wind 6 to 10 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 17. West wind 6 to 8 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 39. West wind around 5 mph becoming calm.

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

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 48.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 30.

30% chance of rain Thursday Thursday... A chance of rain after 1pm. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.

70% chance of rain Thursday Night Thursday Night... Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 40.

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

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 48.

Sun Almanac for Potomac, Maryland
Sunrise: 07:28 AM
Sunset: 4:52 PM
Civil Sunrise:06:58 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:52 AM
Astro Sunset: 6:29 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.