S
M
T
W
T
F
S
29
55°
34°
30
53°
31°
1
54°
40°
2
56°
31°
3
58°
27°
4
56°
28°
5
52°
29°
6
51°
28°
7
52°
30°
8
53°
29°
9
52°
28°
10
51°
25°
11
49°
26°
12
48°
26°
13
50°
27°
14
51°
28°
15
52°
30°
16
52°
30°
17
51°
31°
18
49°
33°
19
51°
30°
20
51°
29°
21
52°
32°
22
55°
33°
23
50°
29°
24
53°
28°
25
49°
30°
26
50°
26°
27
50°
27°
28
49°
26°
29
50°
28°
30
50°
23°
31
47°
22°
1
45°
22°
2
Hist. Avg.
53°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in McCaskill
McCaskill's December 2026 forecast shows daily high temperatures ranging from 45° to 58°, with overnight lows between 22° and 40°. The average high for December is 51° with an average low of 29°. 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 McCaskill. See also: January | February | March.
