World Resorts USA Siesta Key Weather

Siesta Key 14 Days Forecast

26.02
thu
Day
66°F
N 9 mph
Precip.
67%
Night
64°F
N 6 mph
Precip.
0%
27.02
fri
Day
68°F
NE 9 mph
Precip.
0%
Night
66°F
S 7 mph
Precip.
0%
28.02
sat
Day
64°F
W 9 mph
Precip.
100%
Night
66°F
W 11 mph
Precip.
0%
01.03
sun
Day
73°F
W 3 mph
Precip.
0%
Night
66°F
W 7 mph
Precip.
0%
02.03
mon
Day
73°F
NE 9 mph
Precip.
100%
Night
70°F
W 9 mph
Precip.
0%
03.03
tue
Day
75°F
W 5 mph
Precip.
0%
Night
68°F
W 12 mph
Precip.
0%
04.03
wed
Day
77°F
W 11 mph
Precip.
0%
Night
70°F
W 16 mph
Precip.
0%
05.03
thu
Day
75°F
W 17 mph
Precip.
0%
Night
70°F
W 15 mph
Precip.
0%
06.03
fri
Day
77°F
NW 12 mph
Precip.
0%
Night
70°F
W 13 mph
Precip.
0%
07.03
sat
Day
75°F
NW 11 mph
Precip.
0%
Night
70°F
W 14 mph
Precip.
0%
08.03
sun
Day
75°F
NW 13 mph
Precip.
0%
Night
70°F
W 11 mph
Precip.
0%
09.03
mon
Day
73°F
NW 14 mph
Precip.
0%
Night
70°F
NW 10 mph
Precip.
0%
10.03
tue
Day
73°F
N 16 mph
Precip.
0%
Night
68°F
N 6 mph
Precip.
0%
11.03
wed
Day
73°F
N 9 mph
Precip.
0%
Night
68°F
NE 4 mph
Precip.
0%

Sea water temperature in February, °F

Show year:
2026
2025
2024

The average sea water temperature in February of 2026 was 60.5°F. The highest and lowest sea temperatures during the month were 66.6°F and 55.8°F.

Sea water temperature in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 68.5°F. The highest and lowest sea temperatures during the month were 72.1°F and 66.9°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 20 days
May 18 days
April 17 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
December 70.9 °F
February 71.0 °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
+48°F
W 7 mph
Feels like: +46°F
Precip.: 0%
Places in USA:
Name
°F
+39°F
+70°F
+70°F
+61°F
+57°F
+57°F
+70°F
+61°F
+25°F
+57°F
+55°F
+48°F
+50°F
+66°F
+28°F
24 Hours Forecast
Siesta Key
Local time: 03:34
February 26, thursday
0600
46°F
NW
8 mph
0900
52°F
NW
8 mph
1200
66°F
N
9 mph
1500
68°F
NE
9 mph
1800
70°F
N
7 mph
2100
66°F
N
6 mph
February 27, friday
0000
64°F
N
6 mph
0300
64°F
N
8 mph
Units of measurement: °C / °F