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Key Biscayne Yacht Club, FL - Biscayne Bay Marine Weather Forecast

This Afternoon - 87°F
Sep 20, 2026
6 mph SE
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 87, with temperatures falling to around 83 in the afternoon. Southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Tonight - 80°F
Sep 20, 2026
6 mph SW
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 80. Southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday - 87°F
Sep 21, 2026
3 to 7 mph SW
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. Southwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Monday Night - 81°F
Sep 21, 2026
8 mph S
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly cloudy, with a low around 81. South wind around 8 mph. Chance of precipitation is 70%.
Tuesday - 87°F
Sep 22, 2026
8 mph S
Showers And Thunderstorms
Showers and thunderstorms. Partly sunny, with a high near 87. South wind around 8 mph. Chance of precipitation is 90%.
Tuesday Night - 81°F
Sep 22, 2026
8 mph S
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 81. South wind around 8 mph. Chance of precipitation is 90%.
Wednesday - 87°F
Sep 23, 2026
7 mph S
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 87. South wind around 7 mph. Chance of precipitation is 90%.
Wednesday Night - 80°F
Sep 23, 2026
7 mph S
Showers And Thunderstorms
Showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 80. South wind around 7 mph. Chance of precipitation is 90%.
Thursday - 87°F
Sep 24, 2026
7 mph NE
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 8am, then showers and thunderstorms. Partly sunny, with a high near 87. Northeast wind around 7 mph. Chance of precipitation is 80%.
Thursday Night - 80°F
Sep 24, 2026
7 mph N
Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 80%.
Friday - 87°F
Sep 25, 2026
7 mph N
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 80%.
Friday Night - 80°F
Sep 25, 2026
7 mph NE
Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 80. Chance of precipitation is 80%.
Saturday - 87°F
Sep 26, 2026
8 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 80%.
Saturday Night - 79°F
Sep 26, 2026
9 mph NE
Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 79.

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