S
M
T
W
T
F
S
27
30°
20°
28
40°
18°
29
38°
8°
30
36°
4°
31
27°
8°
1
24°
1°
2
29°
-2°
3
22°
-2°
4
22°
-1°
5
20°
2°
6
22°
4°
7
22°
12°
8
27°
15°
9
34°
17°
10
37°
12°
11
36°
4°
12
28°
0°
13
22°
10°
14
28°
10°
15
34°
8°
16
26°
-1°
17
23°
12°
18
28°
15°
19
38°
-1°
20
37°
-4°
21
26°
-3°
22
20°
5°
23
23°
15°
24
37°
16°
25
36°
15°
26
36°
14°
27
37°
2°
28
38°
9°
29
25°
1°
30
26°
2°
31
23°
6°
1
30°
-3°
2
31°
-6°
3
21°
7°
4
38°
6°
5
29°
6°
6
Hist. Avg.
32°
7°
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 20° to 40°, with overnight lows between -6° and 20°. The average high for January is 29° with an average low of 6°. 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.
