Measurements:
°C
°F
Siesta Key
68°F
NW 6 mph
Feels like: 68°F
Precip: 0%
World Resorts USA Siesta Key Weather

7 Day Weather Forecast

02.21
sat
DAY
82°F
NE 9 mph
precip
0%
NIGHT
64°F
E 6 mph
precip
0%
02.22
sun
DAY
66°F
SE 22 mph
precip
100%
NIGHT
58°F
S 21 mph
precip
0%
02.23
mon
DAY
58°F
SE 21 mph
precip
0%
NIGHT
52°F
S 17 mph
precip
0%
02.24
tue
DAY
52°F
SE 9 mph
precip
0%
NIGHT
50°F
S 3 mph
precip
0%
02.25
wed
DAY
58°F
N 9 mph
precip
0%
NIGHT
58°F
NW 6 mph
precip
0%
02.26
thu
DAY
68°F
N 11 mph
precip
0%
NIGHT
68°F
N 10 mph
precip
53%
02.27
fri
DAY
72°F
E 11 mph
precip
0%
NIGHT
62°F
NW 13 mph
precip
0%

Siesta Key Sea Water Temperature in February, °F

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Siesta Key was 15.3°F. The maximum and minimum values were 13.2°F and 18.3°F respectively.

Siesta Key on the Weather Map

Best Time to Visit Siesta Key
The most sunny months:
March 20 days
May 18 days
April 17 days
The most warm months:
July 92.3 °F
August 92.2 °F
June 90.4 °F
Warmest sea temperature:
August 91.8 °F
July 91.2 °F
September 89.8 °F
The most cold months:
January 68.8 °F
December 73.2 °F
February 73.4 °F
The most rainy months:
June 5 days
July 4 days
September 3 days
The most windy months:
November 10 mph
January 10 mph
October 10 mph