S
M
T
W
T
F
S
29
49°
34°
30
50°
35°
1
48°
34°
2
47°
34°
3
44°
33°
4
44°
34°
5
50°
34°
6
56°
33°
7
53°
32°
8
55°
32°
9
48°
31°
10
48°
32°
11
50°
16°
12
42°
13°
13
36°
18°
14
40°
20°
15
41°
24°
16
42°
29°
17
46°
26°
18
52°
28°
19
53°
30°
20
53°
24°
21
54°
32°
22
54°
23°
23
56°
16°
24
48°
15°
25
36°
19°
26
42°
24°
27
47°
31°
28
53°
30°
29
56°
34°
30
56°
34°
31
57°
29°
1
58°
21°
2
55°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Arnett
Arnett's December 2026 forecast shows daily high temperatures ranging from 36° to 58°, with overnight lows between 13° and 35°. The average high for December is 49° with an average low of 27°. 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 Arnett. See also: January | February | March.
