S
M
T
W
T
F
S
29
65°
41°
30
62°
41°
1
64°
34°
2
50°
27°
3
50°
27°
4
56°
34°
5
57°
34°
6
49°
29°
7
48°
27°
8
47°
25°
9
47°
25°
10
46°
26°
11
52°
28°
12
55°
32°
13
53°
28°
14
50°
29°
15
49°
32°
16
49°
35°
17
48°
30°
18
48°
25°
19
47°
24°
20
46°
23°
21
45°
24°
22
48°
28°
23
48°
27°
24
46°
24°
25
45°
23°
26
45°
24°
27
46°
23°
28
46°
23°
29
47°
27°
30
46°
24°
31
46°
23°
1
44°
21°
2
43°
22°
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 43° to 65°, with overnight lows between 21° and 41°. The average high for December is 50° with an average low of 28°. 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.