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Adams Key, FL - South End, Biscayne Bay Marine Weather Forecast

This Afternoon - 83°F
Dec 05, 2025
8 mph S
Sunny
Sunny. High near 83, with temperatures falling to around 78 in the afternoon. South wind around 8 mph.
Tonight - 69°F
Dec 05, 2025
1 to 5 mph SW
Partly Cloudy
Partly cloudy, with a low around 69. Southwest wind 1 to 5 mph.
Saturday - 84°F
Dec 06, 2025
2 to 8 mph S
Mostly Sunny
Mostly sunny. High near 84, with temperatures falling to around 80 in the afternoon. South wind 2 to 8 mph.
Saturday Night - 70°F
Dec 06, 2025
1 to 6 mph SE
Partly Cloudy
Partly cloudy, with a low around 70. Southeast wind 1 to 6 mph.
Sunday - 84°F
Dec 07, 2025
1 to 8 mph SE
Mostly Sunny
Mostly sunny, with a high near 84. Southeast wind 1 to 8 mph.
Sunday Night - 71°F
Dec 07, 2025
6 mph SW
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 71. Southwest wind around 6 mph. Chance of precipitation is 20%.
Monday - 83°F
Dec 08, 2025
5 to 9 mph W
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 83. West wind 5 to 9 mph. Chance of precipitation is 40%.
Monday Night - 67°F
Dec 08, 2025
10 mph N
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 7pm. Mostly cloudy, with a low around 67. North wind around 10 mph. Chance of precipitation is 40%.
Tuesday - 79°F
Dec 09, 2025
10 mph NE
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Northeast wind around 10 mph. Chance of precipitation is 20%.
Tuesday Night - 67°F
Dec 09, 2025
8 mph NE
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.
Wednesday - 79°F
Dec 10, 2025
8 mph SE
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Wednesday Night - 64°F
Dec 10, 2025
6 mph W
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday - 78°F
Dec 11, 2025
8 mph N
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Thursday Night - 64°F
Dec 11, 2025
6 mph N
Partly Cloudy
Partly cloudy, with a low around 64.

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