10.10
sat
sat
Day
84°F
N 16 mph
Precip.
9%
9%
Night
84°F
NW 14 mph
Precip.
9%
9%
11.10
sun
sun
Day
84°F
NW 16 mph
Precip.
17%
17%
Night
84°F
W 15 mph
Precip.
7%
7%
12.10
mon
mon
Day
84°F
SW 14 mph
Precip.
25%
25%
Night
84°F
SW 13 mph
Precip.
7%
7%
13.10
tue
tue
Day
81°F
SW 19 mph
Precip.
5%
5%
Night
82°F
W 16 mph
Precip.
23%
23%
14.10
wed
wed
Day
82°F
SW 13 mph
Precip.
4%
4%
Night
82°F
W 16 mph
Precip.
25%
25%
15.10
thu
thu
Day
82°F
W 13 mph
Precip.
17%
17%
Night
84°F
W 18 mph
Precip.
10%
10%
16.10
fri
fri
Day
82°F
NW 12 mph
Precip.
42%
42%
Night
82°F
NW 8 mph
Precip.
60%
60%
17.10
sat
sat
Day
79°F
N 7 mph
Precip.
66%
66%
Night
79°F
SW 6 mph
Precip.
60%
60%
18.10
sun
sun
Day
77°F
S 29 mph
Precip.
36%
36%
Night
73°F
SW 27 mph
Precip.
22%
22%
19.10
mon
mon
Day
79°F
SW 30 mph
Precip.
23%
23%
Night
79°F
SW 34 mph
Precip.
29%
29%
20.10
tue
tue
Day
79°F
SW 33 mph
Precip.
48%
48%
Night
79°F
SW 30 mph
Precip.
22%
22%
21.10
wed
wed
Day
81°F
SW 25 mph
Precip.
47%
47%
Night
81°F
W 27 mph
Precip.
54%
54%
22.10
thu
thu
Day
81°F
SW 23 mph
Precip.
17%
17%
Night
79°F
SW 25 mph
Precip.
24%
24%
23.10
fri
fri
Day
79°F
SW 16 mph
Precip.
45%
45%
Night
77°F
W 14 mph
Precip.
71%
71%
sea water
temperature
temperature
| Key West |
monthly
weather
weather
| Key West |
current
weather
weather
| Key West |
7 days
forecast
forecast
| Key West |
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 83.8°F. The highest and lowest sea temperatures during the month were 86.4°F and 81.5°F.
Air temperature in Key West, °F
Precipitation total in Key West, in.
* Charts above show average data for the last 3 years.
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: 21:27
October 11, sunday
0000
84°F
NW
14 mph
14 mph
0300
84°F
NW
16 mph
16 mph
0600
84°F
NW
17 mph
17 mph
0900
84°F
NW
17 mph
17 mph
1200
84°F
NW
16 mph
16 mph
1500
84°F
NW
13 mph
13 mph
1800
84°F
W
12 mph
12 mph
2100
84°F
W
15 mph
15 mph
