Measurements:
°C
°F
CURRENT WEATHER
15:54
Siesta Key
84°F
N 3 mph
Feels like: 88°F
Precip: 0%
World Resorts USA Siesta Key Weather

7 Day Weather Forecast

03.13
fri
DAY
76°F
W 13 mph
precip
0%
NIGHT
74°F
SW 9 mph
precip
69%
03.14
sat
DAY
78°F
N 7 mph
precip
0%
NIGHT
72°F
SW 6 mph
precip
0%
03.15
sun
DAY
76°F
N 12 mph
precip
0%
NIGHT
72°F
NW 9 mph
precip
0%
03.16
mon
DAY
78°F
N 18 mph
precip
0%
NIGHT
66°F
SE 19 mph
precip
0%
03.17
tue
DAY
56°F
S 17 mph
precip
0%
NIGHT
52°F
SW 13 mph
precip
100%
03.18
wed
DAY
62°F
SW 14 mph
precip
0%
NIGHT
62°F
SW 15 mph
precip
0%
03.19
thu
DAY
68°F
SW 15 mph
precip
0%
NIGHT
64°F
SW 17 mph
precip
0%

Siesta Key Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Siesta Key was 20.3°F. The maximum and minimum values were 19.4°F and 22.3°F respectively.

Siesta Key on the Weather Map

Best Time to Visit Siesta Key
The most sunny months:
March 20 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
more details