S
M
T
W
T
F
S
30
36°
27°
1
30°
21°
2
28°
25°
3
30°
19°
4
28°
10°
5
21°
5°
6
32°
19°
7
30°
25°
8
23°
5°
9
23°
-4°
10
34°
25°
11
25°
18°
12
25°
12°
13
28°
16°
14
19°
10°
15
19°
7°
16
30°
12°
17
45°
30°
18
43°
27°
19
50°
19°
20
32°
19°
21
37°
18°
22
36°
14°
23
41°
28°
24
40°
28°
25
41°
18°
26
25°
16°
27
28°
21°
28
32°
23°
29
37°
19°
30
21°
18°
31
27°
16°
1
21°
9°
2
21°
12°
3
21°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Northeast
Northeast's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Northeast. See also: January | February | March.
