S
M
T
W
T
F
S
30
27°
18°
1
29°
18°
2
46°
18°
3
42°
24°
4
36°
16°
5
41°
25°
6
53°
26°
7
37°
28°
8
45°
27°
9
55°
32°
10
51°
38°
11
62°
36°
12
45°
27°
13
30°
12°
14
28°
9°
15
48°
21°
16
51°
26°
17
60°
34°
18
53°
28°
19
53°
22°
20
52°
33°
21
53°
26°
22
62°
34°
23
56°
36°
24
63°
45°
25
74°
41°
26
72°
39°
27
71°
43°
28
69°
19°
29
30°
18°
30
54°
17°
31
62°
29°
1
53°
28°
2
43°
29°
3
47°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Newton
Newton'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 Newton. See also: January | February | March.
