Current sea water temperature:
+88.3°F
| Minimum sea water temperature in August: | 90.7°F |
| Maximum sea water temperature in August: | 84.9°F |
| Average sea water temperature in August: | 87.6°F |
| more information | |
14 days
forecast
forecast
| Islamorada |
monthly
weather
weather
| Islamorada |
Sea water temperature for the last 10 days:
| August 14 | 88.3°F | August 9 | 87.1°F |
| August 13 | 88.0°F | August 8 | 87.1°F |
| August 12 | 87.8°F | August 7 | 86.4°F |
| August 11 | 88.0°F | August 6 | 87.8°F |
| August 10 | 87.8°F | August 5 | 87.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Islamorada?
Based on the data about daily sea water temperature for the last three years the warmest sea in Islamorada was noticed in August, July and September.
Monthly Sea Temperatures in Islamorada, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 88.8°F. The highest and lowest sea temperatures during the month were 90.5°F and 86.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 88.4°F. The highest and lowest sea temperatures during the month were 90.0°F and 87.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.7°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.6°F.
current
weather
weather
| Islamorada |
weather in
August
August
| Islamorada |
Best time for vacation in Islamorada
Islamorada on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Islamorada
Local time: 08:46
August 14, friday
0900
86°F
NW
11 mph
11 mph
1200
88°F
W
11 mph
11 mph
1500
90°F
W
13 mph
13 mph
1800
86°F
W
15 mph
15 mph
2100
86°F
W
17 mph
17 mph
August 15, saturday
0000
88°F
W
16 mph
16 mph
0300
86°F
NW
14 mph
14 mph
0600
86°F
NW
16 mph
16 mph
