Current sea water temperature:
+79.3°F
| Minimum sea water temperature in April: | 84.7°F |
| Maximum sea water temperature in April: | 75.6°F |
| Average sea water temperature in April: | 79.5°F |
| more information | |
14 days
forecast
forecast
| Islamorada |
monthly
weather
weather
| Islamorada |
Sea water temperature for the last 10 days:
| April 9 | 79.3°F | April 4 | 76.6°F |
| April 8 | 79.3°F | April 3 | 77.0°F |
| April 7 | 78.3°F | April 2 | 77.4°F |
| April 6 | 78.3°F | April 1 | 77.5°F |
| April 5 | 77.7°F | March 31 | 77.9°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 88.9°F and 84.7°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
April
April
| Islamorada |
Best time for vacation in Islamorada
Islamorada on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Islamorada
Local time: 05:21
April 09, thursday
0600
75°F
W
11 mph
11 mph
0900
75°F
W
9 mph
9 mph
1200
77°F
W
10 mph
10 mph
1500
77°F
W
14 mph
14 mph
1800
75°F
W
24 mph
24 mph
2100
75°F
W
25 mph
25 mph
April 10, friday
0000
75°F
W
25 mph
25 mph
0300
73°F
W
25 mph
25 mph
