S
M
T
W
T
F
S
29
64°
40°
30
63°
35°
1
58°
41°
2
58°
37°
3
69°
31°
4
69°
31°
5
55°
32°
6
57°
35°
7
59°
35°
8
58°
33°
9
57°
32°
10
57°
30°
11
55°
30°
12
54°
31°
13
55°
31°
14
56°
32°
15
57°
34°
16
57°
38°
17
58°
33°
18
57°
34°
19
56°
34°
20
57°
32°
21
56°
32°
22
56°
38°
23
55°
36°
24
60°
31°
25
54°
30°
26
55°
31°
27
53°
30°
28
52°
31°
29
53°
39°
30
59°
26°
31
52°
29°
1
Hist. Avg.
57°
37°
2
Hist. Avg.
57°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Morton
Morton's December 2026 forecast shows daily high temperatures ranging from 52° to 69°, with overnight lows between 26° and 41°. The average high for December is 57° with an average low of 33°. 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 Morton. See also: January | February | March.
