Measurements:
°C
°F
CURRENT WEATHER
17:33
Siesta Key
94°F
E 10 mph
Feels like: 106°F
Precip: 4%
World Resorts USA Siesta Key Weather

14 Day Weather Forecast

08.25
tue
DAY
94°F
NE 8 mph
precip
14%
NIGHT
82°F
NE 3 mph
precip
14%
08.26
wed
DAY
92°F
N 4 mph
precip
13%
NIGHT
80°F
NW 6 mph
precip
54%
08.27
thu
DAY
92°F
N 6 mph
precip
13%
NIGHT
82°F
W 7 mph
precip
10%
08.28
fri
DAY
92°F
NW 6 mph
precip
7%
NIGHT
82°F
SW 9 mph
precip
18%
08.29
sat
DAY
92°F
NW 6 mph
precip
3%
NIGHT
86°F
W 6 mph
precip
22%
08.30
sun
DAY
92°F
NW 7 mph
precip
15%
NIGHT
84°F
W 9 mph
precip
21%
08.31
mon
DAY
92°F
NW 6 mph
precip
7%
NIGHT
88°F
W 6 mph
precip
13%
09.01
tue
DAY
92°F
NW 5 mph
precip
5%
NIGHT
90°F
NE 4 mph
precip
17%
09.02
wed
DAY
92°F
NE 6 mph
precip
6%
NIGHT
90°F
E 6 mph
precip
5%
09.03
thu
DAY
90°F
E 9 mph
precip
5%
NIGHT
88°F
E 8 mph
precip
17%
09.04
fri
DAY
90°F
E 11 mph
precip
14%
NIGHT
88°F
E 9 mph
precip
7%
09.05
sat
DAY
90°F
E 13 mph
precip
15%
NIGHT
88°F
E 9 mph
precip
20%
09.06
sun
DAY
92°F
E 14 mph
precip
15%
NIGHT
88°F
E 9 mph
precip
6%
09.07
mon
DAY
92°F
E 8 mph
precip
9%
NIGHT
90°F
N 9 mph
precip
15%

Siesta Key Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Siesta Key was 90.9°F. The maximum and minimum values were 89.4°F and 92.6°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 91.6 °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 +80
Chicago +82
Hawaii +84
Houston +108
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
all resorts
24 Hours Weather Forecast
Siesta Key
Local time: 17:33
25 aug, tuesday
1800 94°F
E
10 mph
2100 88°F
SE
6 mph
26 aug, wednesday
0000 82°F
NE
3 mph
0300 84°F
W
6 mph
0600 84°F
W
5 mph
0900 84°F
W
6 mph
1200 92°F
N
4 mph
1500 90°F
E
11 mph