World Resorts USA Siesta Key Weather

Siesta Key 7 Days Forecast

07.06
sun
Day
90°F
NW 5 mph
Precip.
1%
Night
81°F
SW 4 mph
Precip.
4%
08.06
mon
Day
84°F
N 5 mph
Precip.
1%
Night
82°F
NW 11 mph
Precip.
2%
09.06
tue
Day
82°F
W 6 mph
Precip.
2%
Night
79°F
W 14 mph
Precip.
2%
10.06
wed
Day
84°F
NE 1 mph
Precip.
1%
Night
81°F
SE 3 mph
Precip.
73%
11.06
thu
Day
82°F
N 8 mph
Precip.
2%
Night
75°F
NW 12 mph
Precip.
10%
12.06
fri
Day
73°F
W 23 mph
Precip.
97%
Night
79°F
N 25 mph
Precip.
77%
13.06
sat
Day
81°F
NE 23 mph
Precip.
73%
Night
81°F
N 17 mph
Precip.
10%

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 85.8°F. The highest and lowest sea temperatures during the month were 86.9°F and 83.8°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 19 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
+84°F
E 10 mph
Feels like: +90°F
Precip.: 2%
Places in USA:
Name
°F
+77°F
+77°F
+99°F
+77°F
+84°F
+82°F
+73°F
+81°F
+81°F
+68°F
+59°F
+86°F
+90°F
+84°F
+72°F
24 Hours Forecast
Siesta Key
Local time: 18:07
June 07, sunday
2100
82°F
SE
3 mph
June 08, monday
0000
81°F
SW
4 mph
0300
79°F
W
10 mph
0600
77°F
NW
11 mph
0900
81°F
NW
8 mph
1200
84°F
N
5 mph
1500
86°F
E
9 mph
1800
84°F
E
11 mph
Units of measurement: °C / °F