S
M
T
W
T
F
S
29
53°
24°
30
48°
22°
1
37°
20°
2
38°
21°
3
40°
23°
4
46°
27°
5
49°
34°
6
50°
37°
7
54°
32°
8
53°
28°
9
51°
27°
10
43°
25°
11
43°
20°
12
39°
20°
13
38°
19°
14
37°
17°
15
35°
18°
16
35°
16°
17
34°
14°
18
33°
21°
19
33°
18°
20
36°
23°
21
41°
30°
22
46°
29°
23
47°
24°
24
42°
20°
25
37°
16°
26
35°
15°
27
32°
23°
28
40°
18°
29
41°
13°
30
33°
10°
31
30°
15°
1
31°
23°
2
40°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Newark
Newark's December 2026 forecast shows daily high temperatures ranging from 30° to 54°, with overnight lows between 10° and 37°. The average high for December is 41° with an average low of 22°. 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 Newark. See also: January | February | March.
