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