Measurements:
°C
°F
CURRENT WEATHER
15:14
Siesta Key
98°F
E 11 mph
Feels like: 114°F
Precip: 4%
World Resorts USA Siesta Key Weather

14 Day Weather Forecast

08.05
wed
DAY
98°F
NW 4 mph
precip
3%
NIGHT
82°F
NW 9 mph
precip
10%
08.06
thu
DAY
90°F
W 9 mph
precip
11%
NIGHT
84°F
W 13 mph
precip
11%
08.07
fri
DAY
92°F
W 10 mph
precip
10%
NIGHT
84°F
W 10 mph
precip
14%
08.08
sat
DAY
92°F
NW 11 mph
precip
7%
NIGHT
86°F
W 8 mph
precip
8%
08.09
sun
DAY
92°F
NW 6 mph
precip
5%
NIGHT
86°F
W 11 mph
precip
34%
08.10
mon
DAY
90°F
N 7 mph
precip
7%
NIGHT
86°F
NW 4 mph
precip
6%
08.11
tue
DAY
90°F
N 6 mph
precip
4%
NIGHT
90°F
SE 5 mph
precip
5%
08.12
wed
DAY
90°F
E 5 mph
precip
7%
NIGHT
88°F
NE 4 mph
precip
6%
08.13
thu
DAY
90°F
NE 6 mph
precip
5%
NIGHT
86°F
NW 9 mph
precip
21%
08.14
fri
DAY
90°F
N 6 mph
precip
3%
NIGHT
86°F
W 7 mph
precip
8%
08.15
sat
DAY
92°F
N 14 mph
precip
36%
NIGHT
82°F
SW 8 mph
precip
7%
08.16
sun
DAY
90°F
N 12 mph
precip
21%
NIGHT
88°F
NW 7 mph
precip
14%
08.17
mon
DAY
90°F
N 11 mph
precip
17%
NIGHT
84°F
W 7 mph
precip
9%
08.18
tue
DAY
88°F
NE 5 mph
precip
5%
NIGHT
90°F
SE 8 mph
precip
57%

Siesta Key Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Siesta Key was 92.8°F. The maximum and minimum values were 90.8°F and 94.6°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 92.6 °F
August 92.2 °F
June 91.1 °F
Warmest sea temperature:
August 91.8 °F
July 91.3 °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
USA Resorts:
NAME
F°
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
all resorts
24 Hours Weather Forecast
Siesta Key
Local time: 15:14
05 aug, wednesday
1800 94°F
SE
9 mph
2100 86°F
SW
9 mph
06 aug, thursday
0000 82°F
NW
9 mph
0300 84°F
W
7 mph
0600 82°F
W
7 mph
0900 84°F
W
7 mph
1200 90°F
W
9 mph
1500 94°F
W
7 mph