08.01
thu
thu
Day
75°F
W 12 mph
Precip.
100%
100%
Night
73°F
W 19 mph
Precip.
0%
0%
09.01
fri
fri
Day
72°F
W 16 mph
Precip.
0%
0%
Night
73°F
W 18 mph
Precip.
0%
0%
10.01
sat
sat
Day
73°F
NW 14 mph
Precip.
0%
0%
Night
73°F
W 10 mph
Precip.
0%
0%
11.01
sun
sun
Day
73°F
SW 12 mph
Precip.
100%
100%
Night
70°F
S 22 mph
Precip.
0%
0%
12.01
mon
mon
Day
68°F
SW 23 mph
Precip.
0%
0%
Night
70°F
SW 21 mph
Precip.
22%
22%
13.01
tue
tue
Day
70°F
SW 16 mph
Precip.
59%
59%
Night
72°F
SW 11 mph
Precip.
0%
0%
14.01
wed
wed
Day
72°F
SW 8 mph
Precip.
21%
21%
Night
72°F
NW 9 mph
Precip.
0%
0%
15.01
thu
thu
Day
70°F
S 9 mph
Precip.
27%
27%
Night
70°F
NE 10 mph
Precip.
0%
0%
16.01
fri
fri
Day
66°F
SW 12 mph
Precip.
0%
0%
Night
70°F
SW 14 mph
Precip.
0%
0%
17.01
sat
sat
Day
72°F
W 19 mph
Precip.
0%
0%
Night
73°F
W 13 mph
Precip.
100%
100%
18.01
sun
sun
Day
75°F
W 4 mph
Precip.
100%
100%
Night
72°F
S 18 mph
Precip.
25%
25%
19.01
mon
mon
Day
66°F
SW 21 mph
Precip.
0%
0%
Night
72°F
W 19 mph
Precip.
0%
0%
20.01
tue
tue
Day
72°F
SW 18 mph
Precip.
71%
71%
Night
72°F
W 20 mph
Precip.
0%
0%
21.01
wed
wed
Day
75°F
W 16 mph
Precip.
70%
70%
Night
75°F
W 16 mph
Precip.
0%
0%
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 January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 70.3°F. The highest and lowest sea temperatures during the month were 75.6°F and 66.0°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: 12:47
January 08, thursday
1500
75°F
NW
12 mph
12 mph
1800
75°F
NW
14 mph
14 mph
2100
72°F
W
17 mph
17 mph
January 09, friday
0000
73°F
W
19 mph
19 mph
0300
73°F
W
17 mph
17 mph
0600
72°F
W
16 mph
16 mph
0900
72°F
W
21 mph
21 mph
1200
72°F
W
16 mph
16 mph
