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