S
M
T
W
T
F
S
29
35°
24°
30
37°
23°
1
35°
17°
2
37°
14°
3
34°
21°
4
30°
27°
5
36°
28°
6
38°
29°
7
41°
25°
8
41°
23°
9
37°
14°
10
31°
11°
11
28°
13°
12
28°
10°
13
27°
15°
14
25°
19°
15
32°
16°
16
32°
20°
17
31°
21°
18
34°
24°
19
35°
26°
20
40°
20°
21
41°
15°
22
35°
19°
23
32°
23°
24
35°
17°
25
36°
15°
26
29°
7°
27
26°
3°
28
24°
4°
29
19°
0°
30
24°
0°
31
19°
3°
1
16°
9°
2
22°
4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mauston
Mauston's December 2026 forecast shows daily high temperatures ranging from 16° to 41°, with overnight lows between -0° and 29°. The average high for December is 31° with an average low of 16°. 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 Mauston. See also: January | February | March.
