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Siesta Key Weather

Siesta Key 14 Days Forecast

23.07
thu

Day

95°F

NW 6 mph

Precip.
3%

Night

81°F

W 11 mph

Precip.
8%

24.07
fri

Day

88°F

SW 6 mph

Precip.
3%

Night

84°F

NW 9 mph

Precip.
30%

25.07
sat

Day

86°F

NE 9 mph

Precip.
5%

Night

84°F

SE 7 mph

Precip.
57%

26.07
sun

Day

86°F

E 11 mph

Precip.
5%

Night

82°F

SE 9 mph

Precip.
69%

27.07
mon

Day

86°F

E 12 mph

Precip.
5%

Night

84°F

NE 8 mph

Precip.
10%

28.07
tue

Day

86°F

NE 12 mph

Precip.
13%

Night

82°F

NE 11 mph

Precip.
16%

29.07
wed

Day

84°F

NE 14 mph

Precip.
27%

Night

84°F

E 12 mph

Precip.
20%

30.07
thu

Day

86°F

E 17 mph

Precip.
15%

Night

84°F

E 14 mph

Precip.
14%

31.07
fri

Day

86°F

E 14 mph

Precip.
17%

Night

84°F

E 9 mph

Precip.
64%

01.08
sat

Day

84°F

E 14 mph

Precip.
36%

Night

81°F

E 17 mph

Precip.
14%

02.08
sun

Day

82°F

E 18 mph

Precip.
57%

Night

82°F

NE 14 mph

Precip.
15%

03.08
mon

Day

81°F

E 15 mph

Precip.
61%

Night

81°F

NE 6 mph

Precip.
9%

04.08
tue

Day

86°F

NE 11 mph

Precip.
6%

Night

84°F

N 3 mph

Precip.
5%

05.08
wed

Day

86°F

N 5 mph

Precip.
17%

Night

86°F

SE 10 mph

Precip.
7%

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:

2026

2025

2024

The average sea water temperature in July of 2026 was 87.9°F. The highest and lowest sea temperatures during the month were 88.9°F and 85.3°F.

Show year:

2025

2024

2023

The average sea water temperature in August of 2025 was 88.6°F. The highest and lowest sea temperatures during the month were 90.1°F and 86.7°F.