Current sea water temperature:
+85.5°F
| Minimum sea water temperature in October: | 87.1°F |
| Maximum sea water temperature in October: | 78.3°F |
| Average sea water temperature in October: | 83.1°F |
| more information | |
14 days
forecast
forecast
| Islamorada |
monthly
weather
weather
| Islamorada |
Sea water temperature for the last 10 days:
| October 15 | 85.5°F | October 10 | 86.4°F |
| October 14 | 86.4°F | October 9 | 86.0°F |
| October 13 | 86.4°F | October 8 | 85.3°F |
| October 12 | 86.5°F | October 7 | 85.1°F |
| October 11 | 86.0°F | October 6 | 84.6°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 88.4°F. The highest and lowest sea temperatures during the month were 90.1°F and 86.4°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:
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 88.9°F and 83.1°F.
current
weather
weather
| Islamorada |
weather in
October
October
| Islamorada |
Best time for vacation in Islamorada
Islamorada on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Islamorada
Local time: 17:50
October 15, thursday
1800

84°F
W
14 mph
14 mph
2100

82°F
W
16 mph
16 mph
October 16, friday
0000

82°F
W
16 mph
16 mph
0300

82°F
W
15 mph
15 mph
0600

82°F
W
14 mph
14 mph
0900

82°F
W
14 mph
14 mph
1200

84°F
W
13 mph
13 mph
1500

84°F
W
9 mph
9 mph



























