27.04
mon
mon
Day
90°F
SW 6 mph
Precip.
0%
0%
Night
73°F
W 15 mph
Precip.
100%
100%
28.04
tue
tue
Day
79°F
NW 2 mph
Precip.
0%
0%
Night
73°F
NW 13 mph
Precip.
0%
0%
29.04
wed
wed
Day
75°F
NE 10 mph
Precip.
0%
0%
Night
73°F
E 5 mph
Precip.
0%
0%
30.04
thu
thu
Day
77°F
NE 8 mph
Precip.
86%
86%
Night
73°F
E 6 mph
Precip.
0%
0%
01.05
fri
fri
Day
77°F
NE 9 mph
Precip.
0%
0%
Night
73°F
N 6 mph
Precip.
0%
0%
02.05
sat
sat
Day
79°F
N 17 mph
Precip.
0%
0%
Night
77°F
NE 11 mph
Precip.
0%
0%
03.05
sun
sun
Day
77°F
SE 9 mph
Precip.
100%
100%
Night
68°F
SW 14 mph
Precip.
53%
53%
sea water
temperature
temperature
| Siesta Key |
monthly
weather
weather
| Siesta Key |
current
weather
weather
| Siesta Key |
14 days
forecast
forecast
| Siesta Key |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 73.6°F. The highest and lowest sea temperatures during the month were 75.7°F and 71.2°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 82.5°F. The highest and lowest sea temperatures during the month were 86.9°F and 77.7°F.
Air temperature in Siesta Key, °F
Precipitation total in Siesta Key, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Siesta Key
Siesta Key on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Siesta Key
Local time: 18:40
April 27, monday
2100
77°F
W
11 mph
11 mph
April 28, tuesday
0000
73°F
W
15 mph
15 mph
0300
70°F
SW
11 mph
11 mph
0600
68°F
SW
9 mph
9 mph
0900
72°F
W
9 mph
9 mph
1200
79°F
NW
2 mph
2 mph
1500
77°F
E
16 mph
16 mph
1800
77°F
SE
14 mph
14 mph
