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Siesta Key Weather

Siesta Key 14 Days Forecast

24.12
wed

Day

79°F

SW 9 mph

Precip.
0%

Night

66°F

W 6 mph

Precip.
0%

25.12
thu

Day

70°F

S 5 mph

Precip.
0%

Night

63°F

S 9 mph

Precip.
0%

26.12
fri

Day

63°F

S 3 mph

Precip.
0%

Night

66°F

SE 6 mph

Precip.
0%

27.12
sat

Day

70°F

S 1 mph

Precip.
0%

Night

66°F

S 6 mph

Precip.
0%

28.12
sun

Day

70°F

NW 5 mph

Precip.
0%

Night

66°F

SE 6 mph

Precip.
0%

29.12
mon

Day

70°F

SE 10 mph

Precip.
0%

Night

63°F

S 19 mph

Precip.
0%

30.12
tue

Day

52°F

NW 17 mph

Precip.
0%

Night

46°F

SW 12 mph

Precip.
0%

31.12
wed

Day

52°F

NW 10 mph

Precip.
0%

Night

52°F

S 9 mph

Precip.
0%

01.01
thu

Day

57°F

NW 5 mph

Precip.
0%

Night

61°F

SE 9 mph

Precip.
0%

02.01
fri

Day

64°F

SE 13 mph

Precip.
0%

Night

59°F

E 11 mph

Precip.
0%

03.01
sat

Day

63°F

SW 9 mph

Precip.
0%

Night

63°F

W 15 mph

Precip.
0%

04.01
sun

Day

66°F

W 12 mph

Precip.
26%

Night

66°F

W 12 mph

Precip.
0%

05.01
mon

Day

70°F

NW 14 mph

Precip.
100%

Night

68°F

E 8 mph

Precip.
41%

06.01
tue

Day

63°F

SE 17 mph

Precip.
27%

Night

57°F

SE 16 mph

Precip.
0%

sea water
temperature

Siesta Key

monthly
weather

Siesta Key

current
weather

Siesta Key

7 days
forecast

Siesta Key

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2025

2024

2023

The average sea water temperature in December of 2025 was 69.5°F. The highest and lowest sea temperatures during the month were 71.6°F and 67.3°F.

Show year:

2025

2024

2023

The average sea water temperature in January of 2025 was 61.5°F. The highest and lowest sea temperatures during the month were 68.5°F and 55.4°F.