10.05
mon
mon
DAY
88°F
NW 9 mph
precip
17%
17%
NIGHT
86°F
W 8 mph
precip
34%
34%
10.06
tue
tue
DAY
86°F
NW 6 mph
precip
7%
7%
NIGHT
86°F
NW 4 mph
precip
19%
19%
10.07
wed
wed
DAY
86°F
N 5 mph
precip
8%
8%
NIGHT
86°F
NW 7 mph
precip
33%
33%
10.08
thu
thu
DAY
86°F
NW 11 mph
precip
18%
18%
NIGHT
86°F
NW 10 mph
precip
8%
8%
10.09
fri
fri
DAY
88°F
NW 14 mph
precip
16%
16%
NIGHT
86°F
W 17 mph
precip
23%
23%
10.10
sat
sat
DAY
88°F
NW 16 mph
precip
43%
43%
NIGHT
88°F
NW 9 mph
precip
50%
50%
10.11
sun
sun
DAY
86°F
NW 15 mph
precip
39%
39%
NIGHT
88°F
W 12 mph
precip
25%
25%
10.12
mon
mon
DAY
86°F
W 11 mph
precip
23%
23%
NIGHT
86°F
W 9 mph
precip
23%
23%
10.13
tue
tue
DAY
86°F
W 7 mph
precip
9%
9%
NIGHT
86°F
SW 9 mph
precip
21%
21%
10.14
wed
wed
DAY
86°F
W 10 mph
precip
9%
9%
NIGHT
86°F
W 13 mph
precip
22%
22%
10.15
thu
thu
DAY
86°F
NW 8 mph
precip
21%
21%
NIGHT
86°F
W 9 mph
precip
7%
7%
10.16
fri
fri
DAY
86°F
W 2 mph
precip
6%
6%
NIGHT
86°F
NW 6 mph
precip
5%
5%
10.17
sat
sat
DAY
84°F
S 2 mph
precip
7%
7%
NIGHT
86°F
NE 7 mph
precip
19%
19%
10.18
sun
sun
DAY
86°F
SW 3 mph
precip
10%
10%
NIGHT
86°F
W 6 mph
precip
6%
6%
Sea water
temperature
temperature
| Key West |
Weather in
October
October
| Key West |
7 day weather
forecast
forecast
| Key West |
10 day weather
forecast
forecast
| Key West |
14 day weather
forecast
forecast
| Key West |
Monthly weather
averages
averages
| Key West |
Current Weather
Conditions
Conditions
| Key West |
When is the Best
Time to Visit?
Time to Visit?
| Key West |
Key West Sea Water Temperature in October, °F
The average sea surface temperature in October 2025 for Key West was 87.5°F. The maximum and minimum values were 85.0°F and 90.4°F respectively.
Key West on the Weather Map
USA Resorts:
NAME
F°
| Boston |  |
+58 |
| Chicago | |
+60 |
| Hawaii |  |
+82 |
| Houston |  |
+84 |
| Las Vegas |  |
+92 |
| Los Angeles | |
+102 |
| Maui |  |
+74 |
| Miami | |
+88 |
| Myrtle Beach | |
+70 |
| New York | |
+62 |
| San Diego | |
+84 |
| San Francisco | |
+66 |
| Santa Monica | |
+94 |
| Sarasota | |
+84 |
| Washington | |
+64 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Key West
Local time: 20:54
05 oct, monday
| 2100 | |
88°F | W 6 mph |
06 oct, tuesday
| 0000 | |
86°F | W 8 mph |
| 0300 | |
86°F | W 8 mph |
| 0600 | |
86°F | NW 9 mph |
| 0900 | |
86°F | NW 7 mph |
| 1200 | |
86°F | NW 6 mph |
| 1500 | |
86°F | NW 6 mph |
| 1800 | |
86°F | NW 4 mph |