S
M
T
W
T
F
S
27
26°
5°
28
21°
5°
29
26°
3°
30
24°
7°
31
26°
17°
1
38°
12°
2
36°
5°
3
32°
3°
4
20°
5°
5
25°
13°
6
32°
16°
7
35°
14°
8
40°
-2°
9
40°
1°
10
19°
9°
11
27°
4°
12
28°
3°
13
22°
1°
14
23°
-5°
15
19°
-1°
16
16°
5°
17
25°
9°
18
26°
12°
19
37°
0°
20
36°
0°
21
17°
7°
22
23°
11°
23
32°
13°
24
34°
14°
25
34°
14°
26
35°
13°
27
37°
14°
28
36°
12°
29
39°
13°
30
33°
11°
31
30°
-1°
1
Hist. Avg.
31°
8°
2
Hist. Avg.
31°
8°
3
Hist. Avg.
31°
8°
4
Hist. Avg.
31°
9°
5
Hist. Avg.
32°
9°
6
Hist. Avg.
32°
9°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Cornish
Cornish's January 2027 forecast shows daily high temperatures ranging from 16° to 40°, with overnight lows between -5° and 17°. The average high for January is 29° with an average low of 7°. 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 Cornish. See also: February | March | April.
