Measurements:
°C
°F
CURRENT WEATHER
22:41
Siesta Key
76°F
SW 15 mph
Feels like: 80°F
Precip: 5%
World Resorts USA Siesta Key Weather

7 Day Weather Forecast

10.26
mon
DAY
82°F
SW 19 mph
precip
4%
NIGHT
76°F
SW 15 mph
precip
5%
10.27
tue
DAY
82°F
SW 17 mph
precip
4%
NIGHT
76°F
SW 17 mph
precip
4%
10.28
wed
DAY
82°F
SW 18 mph
precip
22%
NIGHT
76°F
SW 16 mph
precip
13%
10.29
thu
DAY
84°F
SW 8 mph
precip
6%
NIGHT
78°F
SW 14 mph
precip
12%
10.30
fri
DAY
86°F
W 11 mph
precip
18%
NIGHT
78°F
W 12 mph
precip
12%
10.31
sat
DAY
84°F
W 9 mph
precip
9%
NIGHT
76°F
W 8 mph
precip
13%
11.01
sun
DAY
84°F
NE 2 mph
precip
21%
NIGHT
78°F
SW 6 mph
precip
14%

Siesta Key Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Siesta Key was 27.7°F. The maximum and minimum values were 24.1°F and 29.3°F respectively.

Siesta Key on the Weather Map

Best Time to Visit Siesta Key
The most sunny months:
March 21 days
May 19 days
April 18 days
The most warm months:
August 92.6 °F
July 92.6 °F
June 91.1 °F
Warmest sea temperature:
August 91.7 °F
July 91.3 °F
September 89.9 °F
The most cold months:
January 68.8 °F
February 73.0 °F
December 73.2 °F
The most rainy months:
July 4 days
September 4 days
June 4 days
The most windy months:
October 10 mph
November 10 mph
January 10 mph
more details