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Key Biscayne, FL Marine Weather Forecast

M.L. King Jr. Day - 70°F
Jan 20, 2025
20 mph N
Chance Rain Showers
A chance of rain showers. Cloudy. High near 70, with temperatures falling to around 66 in the afternoon. North wind around 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 66°F
Jan 20, 2025
14 to 21 mph N
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 66. North wind 14 to 21 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tuesday - 74°F
Jan 21, 2025
9 to 13 mph N
Chance Rain Showers
A chance of rain showers before 4pm. Mostly cloudy, with a high near 74. North wind 9 to 13 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night - 63°F
Jan 21, 2025
8 to 16 mph N
Chance Rain Showers
A chance of rain showers after 7pm. Mostly cloudy, with a low around 63. North wind 8 to 16 mph. Chance of precipitation is 40%.
Wednesday - 71°F
Jan 22, 2025
18 mph N
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 71. North wind around 18 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday Night - 67°F
Jan 22, 2025
10 to 17 mph NE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 67. Northeast wind 10 to 17 mph. Chance of precipitation is 30%.
Thursday - 73°F
Jan 23, 2025
9 to 13 mph NE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 73. Northeast wind 9 to 13 mph. Chance of precipitation is 40%.
Thursday Night - 56°F
Jan 23, 2025
13 to 16 mph NW
Chance Rain Showers
A chance of rain showers before 1am. Mostly cloudy, with a low around 56. Northwest wind 13 to 16 mph. Chance of precipitation is 40%.
Friday - 64°F
Jan 24, 2025
15 to 18 mph NW
Partly Sunny
Partly sunny, with a high near 64. Northwest wind 15 to 18 mph.
Friday Night - 55°F
Jan 24, 2025
20 mph N
Partly Cloudy
Partly cloudy, with a low around 55.
Saturday - 70°F
Jan 25, 2025
17 mph NE
Mostly Sunny
Mostly sunny, with a high near 70.
Saturday Night - 67°F
Jan 25, 2025
17 mph E
Mostly Cloudy
Mostly cloudy, with a low around 67.
Sunday - 74°F
Jan 26, 2025
14 mph E
Partly Sunny
Partly sunny, with a high near 74.
Sunday Night - 71°F
Jan 26, 2025
13 mph E
Mostly Cloudy
Mostly cloudy, with a low around 71.

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