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Mechanicsville, MD Marine Weather Forecast

Tonight - 65°F
May 16, 2026
7 to 12 mph SW
Chance Rain Showers then Mostly Cloudy
A chance of rain showers between 8pm and 11pm. Mostly cloudy, with a low around 65. Southwest wind 7 to 12 mph. Chance of precipitation is 30%.
Sunday - 84°F
May 17, 2026
2 to 6 mph SW
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. Southwest wind 2 to 6 mph. Chance of precipitation is 30%.
Sunday Night - 65°F
May 17, 2026
2 to 6 mph S
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 9pm and 1am. Partly cloudy, with a low around 65. South wind 2 to 6 mph. Chance of precipitation is 20%.
Monday - 87°F
May 18, 2026
1 to 12 mph S
Sunny
Sunny, with a high near 87. South wind 1 to 12 mph.
Monday Night - 69°F
May 18, 2026
12 mph S
Mostly Clear
Mostly clear, with a low around 69. South wind around 12 mph.
Tuesday - 89°F
May 19, 2026
8 to 13 mph S
Sunny
Sunny, with a high near 89.
Tuesday Night - 71°F
May 19, 2026
13 mph S
Mostly Clear
Mostly clear, with a low around 71.
Wednesday - 91°F
May 20, 2026
8 to 12 mph SW
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night - 65°F
May 20, 2026
3 to 9 mph W
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Thursday - 71°F
May 21, 2026
9 to 14 mph N
Showers And Thunderstorms Likely
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Thursday Night - 57°F
May 21, 2026
5 to 9 mph NE
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday - 66°F
May 22, 2026
12 mph NE
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night - 56°F
May 22, 2026
7 to 12 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Saturday - 68°F
May 23, 2026
10 mph NE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 68.

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