Measurements:
°C
°F
CURRENT WEATHER
14:16
Siesta Key
98°F
NE 11 mph
Feels like: 116°F
Precip: 4%
World Resorts USA Siesta Key Weather

7 Day Weather Forecast

07.15
wed
DAY
96°F
NW 4 mph
precip
5%
NIGHT
90°F
S 9 mph
precip
5%
07.16
thu
DAY
92°F
SE 5 mph
precip
3%
NIGHT
90°F
SE 7 mph
precip
4%
07.17
fri
DAY
94°F
SE 7 mph
precip
3%
NIGHT
90°F
SE 9 mph
precip
5%
07.18
sat
DAY
92°F
E 5 mph
precip
3%
NIGHT
88°F
NE 7 mph
precip
4%
07.19
sun
DAY
90°F
NE 11 mph
precip
4%
NIGHT
90°F
E 7 mph
precip
8%
07.20
mon
DAY
92°F
NE 8 mph
precip
4%
NIGHT
88°F
SE 7 mph
precip
36%
07.21
tue
DAY
90°F
NE 7 mph
precip
4%
NIGHT
90°F
SE 6 mph
precip
6%

Siesta Key Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Siesta Key was 31.3°F. The maximum and minimum values were 31.1°F and 31.6°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:
July 92.3 °F
August 92.2 °F
June 91.1 °F
Warmest sea temperature:
August 91.8 °F
July 91.2 °F
September 89.8 °F
The most cold months:
January 68.8 °F
February 73.0 °F
December 73.2 °F
The most rainy months:
July 4 days
June 4 days
September 3 days
The most windy months:
November 10 mph
January 10 mph
October 10 mph
more details