Current sea water temperature:
+79.2°F
| Minimum sea water temperature in March: | 81.1°F |
| Maximum sea water temperature in March: | 72.1°F |
| Average sea water temperature in March: | 77.1°F |
| more information | |
14 days
forecast
forecast
| Islamorada |
monthly
weather
weather
| Islamorada |
Sea water temperature for the last 10 days:
| March 18 | 79.2°F | March 13 | 78.8°F |
| March 17 | 79.9°F | March 12 | 79.3°F |
| March 16 | 79.2°F | March 11 | 78.4°F |
| March 15 | 80.1°F | March 10 | 78.6°F |
| March 14 | 79.3°F | March 9 | 77.7°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
March
March
| Islamorada |
Best time for vacation in Islamorada
Islamorada on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Islamorada
Local time: 18:48
March 18, wednesday
2100
68°F
S
27 mph
27 mph
March 19, thursday
0000
68°F
SW
24 mph
24 mph
0300
70°F
SW
23 mph
23 mph
0600
68°F
S
23 mph
23 mph
0900
70°F
S
22 mph
22 mph
1200
73°F
S
17 mph
17 mph
1500
73°F
SW
21 mph
21 mph
1800
75°F
SW
22 mph
22 mph
