World Resorts USA Siesta Key Weather

Siesta Key 14 Days Forecast

28.04
tue
Day
90°F
SE 2 mph
Precip.
0%
Night
73°F
NW 14 mph
Precip.
0%
29.04
wed
Day
75°F
NE 11 mph
Precip.
0%
Night
73°F
E 6 mph
Precip.
0%
30.04
thu
Day
77°F
E 8 mph
Precip.
0%
Night
73°F
E 6 mph
Precip.
0%
01.05
fri
Day
77°F
N 10 mph
Precip.
0%
Night
73°F
NE 4 mph
Precip.
0%
02.05
sat
Day
79°F
N 17 mph
Precip.
0%
Night
75°F
NE 8 mph
Precip.
0%
03.05
sun
Day
79°F
NE 15 mph
Precip.
100%
Night
73°F
SE 6 mph
Precip.
100%
04.05
mon
Day
77°F
SE 7 mph
Precip.
0%
Night
72°F
SE 9 mph
Precip.
0%
05.05
tue
Day
75°F
E 9 mph
Precip.
0%
Night
73°F
E 8 mph
Precip.
0%
06.05
wed
Day
77°F
NE 11 mph
Precip.
0%
Night
75°F
E 7 mph
Precip.
0%
07.05
thu
Day
79°F
E 8 mph
Precip.
47%
Night
77°F
E 4 mph
Precip.
0%
08.05
fri
Day
79°F
N 14 mph
Precip.
0%
Night
77°F
N 9 mph
Precip.
0%
09.05
sat
Day
79°F
N 13 mph
Precip.
0%
Night
75°F
SW 3 mph
Precip.
100%
10.05
sun
Day
77°F
NE 2 mph
Precip.
100%
Night
75°F
NW 13 mph
Precip.
0%
11.05
mon
Day
81°F
N 6 mph
Precip.
0%
Night
81°F
SE 7 mph
Precip.
0%

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

Sunniest months:
March 21 days
May 18 days
April 18 days
Warmest months:
July 88.1 °F
August 88.0 °F
June 86.3 °F
Warmest sea temp:
August 87.6 °F
July 87.1 °F
September 85.8 °F
Coldest months:
January 66.9 °F
February 70.7 °F
December 70.9 °F
Rainiest months:
June 5 days
July 4 days
September 3 days
Windiest months:
November 10.5 mph
January 10.4 mph
October 10.4 mph

Siesta Key on a weather map

Siesta Key
+75°F
SW 8 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+52°F
+52°F
+79°F
+77°F
+68°F
+54°F
+54°F
+52°F
+75°F
+73°F
+77°F
+50°F
24 Hours Forecast
Siesta Key
Local time: 08:57
April 28, tuesday
0900
75°F
SW
8 mph
1200
90°F
SE
2 mph
1500
86°F
E
17 mph
1800
79°F
E
14 mph
2100
75°F
SE
8 mph
April 29, wednesday
0000
73°F
NW
14 mph
0300
70°F
W
10 mph
0600
70°F
NW
11 mph
Units of measurement: °C / °F