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Big Pine Key, FL - Spanish Harbor Marine Weather Forecast

This Afternoon - 77°F
Dec 29, 2025
5 mph N
Sunny
Sunny, with a high near 77. North wind around 5 mph.
Tonight - 66°F
Dec 29, 2025
5 to 10 mph NW
Partly Cloudy
Partly cloudy. Low around 66, with temperatures rising to around 71 overnight. Northwest wind 5 to 10 mph.
Tuesday - 73°F
Dec 30, 2025
10 to 20 mph NW
Slight Chance Rain Showers
A slight chance of rain showers after 7am. Mostly sunny. High near 73, with temperatures falling to around 67 in the afternoon. Northwest wind 10 to 20 mph.
Tuesday Night - 59°F
Dec 30, 2025
15 to 20 mph N
Slight Chance Rain Showers then Mostly Clear
A slight chance of rain showers before 7pm. Mostly clear, with a low around 59. North wind 15 to 20 mph.
Wednesday - 67°F
Dec 31, 2025
15 to 20 mph N
Sunny
Sunny, with a high near 67. North wind 15 to 20 mph.
Wednesday Night - 60°F
Dec 31, 2025
15 mph N
Mostly Clear
Mostly clear, with a low around 60.
New Year's Day - 68°F
Jan 01, 2026
10 to 15 mph N
Sunny
Sunny, with a high near 68.
Thursday Night - 63°F
Jan 01, 2026
5 to 10 mph N
Clear
Clear, with a low around 63.
Friday - 71°F
Jan 02, 2026
5 to 10 mph NE
Sunny
Sunny, with a high near 71.
Friday Night - 65°F
Jan 02, 2026
5 to 10 mph E
Mostly Clear
Mostly clear, with a low around 65.
Saturday - 74°F
Jan 03, 2026
5 mph S
Mostly Sunny
Mostly sunny, with a high near 74.
Saturday Night - 69°F
Jan 03, 2026
5 mph W
Mostly Clear
Mostly clear, with a low around 69.
Sunday - 75°F
Jan 04, 2026
5 to 10 mph W
Sunny
Sunny, with a high near 75.
Sunday Night - 67°F
Jan 04, 2026
5 to 10 mph NW
Mostly Clear
Mostly clear, with a low around 67.

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