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