Measurements:
°C
°F
Siesta Key
84°F
E 6 mph
Feels like: 88°F
Precip: 0%
World Resorts USA Siesta Key Weather

7 Day Weather Forecast

04.23
thu
DAY
88°F
NW 5 mph
precip
0%
NIGHT
72°F
W 9 mph
precip
0%
04.24
fri
DAY
76°F
N 8 mph
precip
0%
NIGHT
74°F
SE 1 mph
precip
0%
04.25
sat
DAY
76°F
NE 10 mph
precip
0%
NIGHT
74°F
SE 6 mph
precip
0%
04.26
sun
DAY
76°F
NE 9 mph
precip
0%
NIGHT
74°F
E 2 mph
precip
0%
04.27
mon
DAY
78°F
NE 9 mph
precip
0%
NIGHT
74°F
S 5 mph
precip
0%
04.28
tue
DAY
80°F
NE 9 mph
precip
0%
NIGHT
76°F
NE 7 mph
precip
0%
04.29
wed
DAY
80°F
NE 8 mph
precip
0%
NIGHT
76°F
E 8 mph
precip
0%

Siesta Key Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Siesta Key was 23.0°F. The maximum and minimum values were 21.8°F and 23.8°F respectively.

Siesta Key on the Weather Map

Best Time to Visit Siesta Key
The most sunny months:
March 21 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
February 73.0 °F
December 73.2 °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