Current sea water temperature:
+82.0°F
| Minimum sea water temperature in November: | 84.6°F |
| Maximum sea water temperature in November: | 73.4°F |
| Average sea water temperature in November: | 78.9°F |
| more information | |
14 days
forecast
forecast
| Key West |
monthly
weather
weather
| Key West |
Sea water temperature for the last 10 days:
| November 13 | 82.0°F | November 8 | 82.4°F |
| November 12 | 82.4°F | November 7 | 82.0°F |
| November 11 | 82.6°F | November 6 | 81.7°F |
| November 10 | 82.4°F | November 5 | 81.3°F |
| November 9 | 82.2°F | November 4 | 81.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Key West?
Based on the data about daily sea water temperature for the last three years the warmest sea in Key West was noticed in August, July and September.
Monthly Sea Temperatures in Key West, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 88.8°F. The highest and lowest sea temperatures during the month were 90.5°F and 87.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 88.5°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 87.8°F. The highest and lowest sea temperatures during the month were 89.4°F and 85.8°F.
current
weather
weather
| Key West |
weather in
November
November
| Key West |
Best time for vacation in Key West
Key West on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Key West
Local time: 00:58
November 14, saturday
0300
75°F
S
17 mph
17 mph
0600
73°F
S
17 mph
17 mph
0900
72°F
SW
17 mph
17 mph
1200
70°F
SW
15 mph
15 mph
1500
70°F
S
16 mph
16 mph
1800
70°F
S
15 mph
15 mph
2100
72°F
SW
13 mph
13 mph
November 15, sunday
0000
72°F
SW
13 mph
13 mph
