S
M
T
W
T
F
S
29
46°
34°
30
49°
36°
1
48°
31°
2
44°
29°
3
45°
36°
4
50°
37°
5
50°
35°
6
51°
31°
7
41°
31°
8
42°
23°
9
39°
22°
10
36°
22°
11
36°
24°
12
37°
24°
13
37°
23°
14
38°
22°
15
43°
32°
16
47°
34°
17
48°
32°
18
40°
29°
19
38°
28°
20
39°
30°
21
37°
20°
22
33°
28°
23
40°
24°
24
39°
18°
25
34°
13°
26
29°
14°
27
28°
19°
28
31°
15°
29
37°
26°
30
41°
17°
31
46°
14°
1
31°
15°
2
29°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Wethersfield
Wethersfield's December 2026 forecast shows daily high temperatures ranging from 28° to 51°, with overnight lows between 13° and 37°. The average high for December is 40° with an average low of 25°. 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 Wethersfield. See also: January | February | March.
