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Charlestown, MD Marine Weather Forecast

Today - 33°F
Dec 16, 2025
2 to 6 mph W
Sunny
Sunny, with a high near 33. West wind 2 to 6 mph.
Tonight - 27°F
Dec 16, 2025
6 mph SW
Mostly Clear
Mostly clear, with a low around 27. Southwest wind around 6 mph.
Wednesday - 45°F
Dec 17, 2025
8 mph SW
Mostly Sunny
Mostly sunny, with a high near 45. Southwest wind around 8 mph.
Wednesday Night - 28°F
Dec 17, 2025
2 to 7 mph NW
Partly Cloudy
Partly cloudy, with a low around 28. Northwest wind 2 to 7 mph.
Thursday - 54°F
Dec 18, 2025
2 to 9 mph SE
Mostly Sunny
Mostly sunny, with a high near 54. Southeast wind 2 to 9 mph.
Thursday Night - 47°F
Dec 18, 2025
10 to 28 mph S
Rain
Rain after 7pm. Cloudy, with a low around 47. Chance of precipitation is 100%.
Friday - 49°F
Dec 19, 2025
22 mph W
Rain
Rain before 1pm. Partly sunny, with a high near 49. Chance of precipitation is 100%.
Friday Night - 28°F
Dec 19, 2025
7 to 22 mph W
Mostly Clear
Mostly clear, with a low around 28.
Saturday - 40°F
Dec 20, 2025
5 to 10 mph SW
Partly Sunny
Partly sunny, with a high near 40.
Saturday Night - 36°F
Dec 20, 2025
10 to 14 mph S
Mostly Cloudy
Mostly cloudy, with a low around 36.
Sunday - 48°F
Dec 21, 2025
7 to 10 mph W
Slight Chance Light Rain
A slight chance of rain between 7am and 1pm. Partly sunny, with a high near 48.
Sunday Night - 32°F
Dec 21, 2025
8 mph NW
Slight Chance Light Rain then Slight Chance Rain And Snow
A slight chance of rain between 7pm and 1am, then a slight chance of rain and snow. Partly cloudy, with a low around 32.
Monday - 41°F
Dec 22, 2025
8 mph NW
Slight Chance Rain And Snow
A slight chance of rain and snow. Partly sunny, with a high near 41.
Monday Night - 30°F
Dec 22, 2025
8 mph N
Slight Chance Light Snow
A slight chance of snow before 7pm, then a slight chance of rain and snow between 7pm and 1am. Partly cloudy, with a low around 30.

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