S
M
T
W
T
F
S
29
35°
24°
30
37°
27°
1
38°
26°
2
38°
29°
3
37°
27°
4
39°
26°
5
39°
27°
6
38°
25°
7
39°
23°
8
38°
29°
9
38°
29°
10
42°
25°
11
47°
23°
12
33°
24°
13
37°
27°
14
Hist. Avg.
36°
23°
15
Hist. Avg.
36°
23°
16
Hist. Avg.
36°
23°
17
Hist. Avg.
36°
23°
18
Hist. Avg.
35°
22°
19
Hist. Avg.
35°
22°
20
Hist. Avg.
35°
22°
21
Hist. Avg.
34°
22°
22
Hist. Avg.
34°
21°
23
Hist. Avg.
34°
21°
24
Hist. Avg.
34°
21°
25
Hist. Avg.
34°
21°
26
Hist. Avg.
34°
20°
27
Hist. Avg.
33°
20°
28
Hist. Avg.
33°
20°
29
Hist. Avg.
33°
20°
30
Hist. Avg.
33°
20°
31
Hist. Avg.
32°
19°
1
Hist. Avg.
32°
19°
2
Hist. Avg.
32°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Milwaukee
Milwaukee's December 2026 forecast shows daily high temperatures ranging from 33° to 47°, with overnight lows between 23° and 29°. The average high for December is 38° with an average low of 26°. 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 Milwaukee. See also: January | February | March.
