S
M
T
W
T
F
S
29
52°
38°
30
54°
35°
1
52°
28°
2
50°
24°
3
40°
26°
4
42°
32°
5
47°
28°
6
43°
25°
7
40°
32°
8
46°
28°
9
47°
24°
10
40°
20°
11
36°
17°
12
33°
18°
13
32°
19°
14
35°
15°
15
33°
16°
16
31°
16°
17
32°
15°
18
35°
13°
19
33°
14°
20
31°
24°
21
35°
27°
22
37°
26°
23
38°
25°
24
35°
28°
25
45°
27°
26
45°
23°
27
41°
26°
28
Hist. Avg.
36°
20°
29
Hist. Avg.
36°
20°
30
Hist. Avg.
36°
20°
31
Hist. Avg.
36°
20°
1
Hist. Avg.
36°
19°
2
Hist. Avg.
35°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Netcong
Netcong's December 2026 forecast shows daily high temperatures ranging from 31° to 54°, with overnight lows between 13° and 38°. The average high for December is 40° with an average low of 24°. 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 Netcong. See also: January | February | March.