Current sea water temperature:
+74.5°F
| Minimum sea water temperature in October: | 86.9°F |
| Maximum sea water temperature in October: | 73.8°F |
| Average sea water temperature in October: | 80.6°F |
| more information | |
14 days
forecast
forecast
| Siesta Key |
monthly
weather
weather
| Siesta Key |
Sea water temperature for the last 10 days:
| October 28 | 74.5°F | October 23 | 77.4°F |
| October 27 | 74.8°F | October 22 | 78.6°F |
| October 26 | 75.4°F | October 21 | 79.3°F |
| October 25 | 75.7°F | October 20 | 79.9°F |
| October 24 | 76.8°F | October 19 | 81.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Siesta Key?
Based on the data about daily sea water temperature for the last three years the warmest sea in Siesta Key was noticed in August, July and September.
Monthly Sea Temperatures in Siesta Key, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 87.1°F. The highest and lowest sea temperatures during the month were 88.3°F and 85.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 87.6°F. The highest and lowest sea temperatures during the month were 88.9°F and 85.3°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 86.9°F. The highest and lowest sea temperatures during the month were 88.3°F and 84.2°F.
current
weather
weather
| Siesta Key |
weather in
November
November
| Siesta Key |
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: 11:19
October 29, thursday
1200
81°F
SW
14 mph
14 mph
1500
82°F
SW
13 mph
13 mph
1800
82°F
SW
11 mph
11 mph
2100
77°F
SW
12 mph
12 mph
October 30, friday
0000
75°F
SW
12 mph
12 mph
0300
73°F
SW
12 mph
12 mph
0600
73°F
SW
11 mph
11 mph
0900
75°F
SW
12 mph
12 mph
