S
M
T
W
T
F
S
27
35°
19°
28
29°
15°
29
32°
14°
30
26°
7°
31
33°
11°
1
25°
15°
2
31°
14°
3
28°
12°
4
Hist. Avg.
31°
16°
5
Hist. Avg.
30°
16°
6
Hist. Avg.
30°
16°
7
Hist. Avg.
30°
16°
8
Hist. Avg.
30°
16°
9
Hist. Avg.
30°
15°
10
Hist. Avg.
30°
15°
11
Hist. Avg.
30°
15°
12
Hist. Avg.
30°
15°
13
Hist. Avg.
30°
15°
14
Hist. Avg.
30°
15°
15
Hist. Avg.
30°
15°
16
Hist. Avg.
30°
15°
17
Hist. Avg.
30°
14°
18
Hist. Avg.
30°
14°
19
Hist. Avg.
30°
14°
20
Hist. Avg.
30°
14°
21
Hist. Avg.
30°
14°
22
Hist. Avg.
30°
14°
23
Hist. Avg.
30°
14°
24
Hist. Avg.
30°
14°
25
Hist. Avg.
30°
14°
26
Hist. Avg.
30°
14°
27
Hist. Avg.
30°
14°
28
Hist. Avg.
31°
14°
29
Hist. Avg.
31°
14°
30
Hist. Avg.
31°
14°
31
Hist. Avg.
31°
14°
1
Hist. Avg.
31°
14°
2
Hist. Avg.
31°
14°
3
Hist. Avg.
31°
14°
4
Hist. Avg.
31°
14°
5
Hist. Avg.
32°
14°
6
Hist. Avg.
32°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Cortland
Cortland's January 2027 forecast shows daily high temperatures ranging from 25° to 35°, with overnight lows between 7° and 19°. The average high for January is 30° with an average low of 13°. 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 Cortland. See also: February | March | April.
