S
M
T
W
T
F
S
29
45°
28°
30
45°
24°
1
42°
23°
2
39°
29°
3
41°
26°
4
40°
25°
5
41°
27°
6
41°
25°
7
40°
21°
8
40°
21°
9
38°
20°
10
36°
20°
11
34°
19°
12
33°
15°
13
35°
9°
14
26°
14°
15
24°
15°
16
31°
5°
17
35°
1°
18
34°
5°
19
20°
16°
20
30°
11°
21
31°
15°
22
25°
18°
23
32°
16°
24
30°
17°
25
33°
16°
26
28°
18°
27
21°
9°
28
23°
6°
29
Hist. Avg.
27°
8°
30
Hist. Avg.
27°
8°
31
Hist. Avg.
26°
7°
1
Hist. Avg.
26°
7°
2
Hist. Avg.
26°
7°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Tomah
Tomah's December 2026 forecast shows daily high temperatures ranging from 20° to 45°, with overnight lows between 1° and 29°. The average high for December is 34° with an average low of 17°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Tomah. See also: January | February | March.
