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