S
M
T
W
T
F
S
29
53°
38°
30
55°
33°
1
45°
33°
2
56°
36°
3
52°
31°
4
46°
27°
5
45°
30°
6
42°
35°
7
42°
35°
8
44°
36°
9
49°
36°
10
52°
34°
11
40°
30°
12
41°
33°
13
47°
25°
14
39°
33°
15
48°
30°
16
43°
33°
17
51°
34°
18
52°
33°
19
49°
31°
20
41°
27°
21
37°
28°
22
51°
32°
23
51°
30°
24
36°
24°
25
36°
20°
26
38°
22°
27
40°
24°
28
39°
21°
29
38°
20°
30
39°
18°
31
39°
16°
1
36°
19°
2
36°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Marshfield
Marshfield's December 2026 forecast shows daily high temperatures ranging from 36° to 56°, with overnight lows between 16° and 38°. The average high for December is 44° with an average low of 29°. 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 Marshfield. See also: January | February | March.
