01.01
thu
thu
Day
64°F
S 9 mph
Precip.
0%
0%
Night
64°F
S 8 mph
Precip.
0%
0%
02.01
fri
fri
Day
64°F
W 6 mph
Precip.
0%
0%
Night
66°F
W 4 mph
Precip.
0%
0%
03.01
sat
sat
Day
68°F
NW 2 mph
Precip.
0%
0%
Night
70°F
S 3 mph
Precip.
0%
0%
04.01
sun
sun
Day
73°F
NE 11 mph
Precip.
0%
0%
Night
70°F
S 16 mph
Precip.
0%
0%
05.01
mon
mon
Day
70°F
SW 13 mph
Precip.
0%
0%
Night
72°F
SW 10 mph
Precip.
22%
22%
06.01
tue
tue
Day
72°F
SW 12 mph
Precip.
52%
52%
Night
73°F
W 13 mph
Precip.
68%
68%
07.01
wed
wed
Day
73°F
W 9 mph
Precip.
100%
100%
Night
73°F
W 11 mph
Precip.
100%
100%
08.01
thu
thu
Day
73°F
W 14 mph
Precip.
100%
100%
Night
75°F
W 17 mph
Precip.
0%
0%
09.01
fri
fri
Day
75°F
NW 13 mph
Precip.
0%
0%
Night
75°F
W 17 mph
Precip.
70%
70%
10.01
sat
sat
Day
75°F
W 18 mph
Precip.
100%
100%
Night
75°F
W 19 mph
Precip.
0%
0%
11.01
sun
sun
Day
75°F
NW 16 mph
Precip.
100%
100%
Night
75°F
W 19 mph
Precip.
100%
100%
12.01
mon
mon
Day
75°F
NW 21 mph
Precip.
100%
100%
Night
75°F
NW 17 mph
Precip.
100%
100%
13.01
tue
tue
Day
75°F
N 11 mph
Precip.
100%
100%
Night
70°F
S 19 mph
Precip.
0%
0%
14.01
wed
wed
Day
68°F
SW 17 mph
Precip.
75%
75%
Night
72°F
S 17 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: 04:27
January 01, thursday
0600
64°F
S
13 mph
13 mph
0900
66°F
S
11 mph
11 mph
1200
64°F
S
9 mph
9 mph
1500
64°F
S
8 mph
8 mph
1800
64°F
SW
6 mph
6 mph
2100
64°F
S
7 mph
7 mph
January 02, friday
0000
64°F
S
8 mph
8 mph
0300
64°F
S
7 mph
7 mph
