S
M
T
W
T
F
S
29
46°
32°
30
49°
29°
1
44°
31°
2
48°
36°
3
46°
31°
4
47°
28°
5
42°
26°
6
39°
28°
7
39°
31°
8
38°
28°
9
42°
31°
10
42°
31°
11
41°
32°
12
42°
32°
13
41°
25°
14
41°
28°
15
40°
28°
16
39°
32°
17
40°
33°
18
47°
30°
19
45°
24°
20
41°
25°
21
38°
26°
22
39°
29°
23
39°
33°
24
42°
36°
25
44°
35°
26
44°
32°
27
43°
31°
28
43°
29°
29
41°
33°
30
43°
28°
31
44°
27°
1
41°
27°
2
41°
31°
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 38° to 49°, with overnight lows between 24° and 36°. The average high for December is 42° with an average low of 30°. 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.
