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