S
M
T
W
T
F
S
27
77°
69°
28
78°
70°
29
79°
69°
30
79°
70°
31
80°
69°
1
79°
68°
2
79°
68°
3
77°
66°
4
79°
66°
5
75°
68°
6
75°
68°
7
78°
64°
8
77°
67°
9
75°
67°
10
76°
65°
11
78°
65°
12
73°
67°
13
74°
66°
14
77°
67°
15
77°
69°
16
76°
67°
17
76°
68°
18
Hist. Avg.
76°
65°
19
Hist. Avg.
76°
65°
20
Hist. Avg.
76°
65°
21
Hist. Avg.
76°
65°
22
Hist. Avg.
76°
65°
23
Hist. Avg.
76°
65°
24
Hist. Avg.
76°
65°
25
Hist. Avg.
76°
65°
26
Hist. Avg.
76°
66°
27
Hist. Avg.
76°
66°
28
Hist. Avg.
76°
66°
29
Hist. Avg.
76°
66°
30
Hist. Avg.
76°
66°
31
Hist. Avg.
76°
66°
1
Hist. Avg.
76°
66°
2
Hist. Avg.
76°
66°
3
Hist. Avg.
76°
66°
4
Hist. Avg.
76°
66°
5
Hist. Avg.
77°
66°
6
Hist. Avg.
77°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Key West
Key West's January 2027 forecast shows daily high temperatures ranging from 73° to 80°, with overnight lows between 64° and 70°. The average high for January is 77° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Key West. See also: February | March | April.
