S
M
T
W
T
F
S
29
47°
38°
30
51°
41°
1
53°
40°
2
52°
40°
3
54°
39°
4
47°
36°
5
51°
33°
6
50°
38°
7
52°
35°
8
43°
32°
9
42°
29°
10
39°
28°
11
38°
34°
12
41°
33°
13
44°
30°
14
38°
27°
15
41°
28°
16
40°
32°
17
42°
33°
18
40°
35°
19
49°
32°
20
46°
22°
21
40°
23°
22
35°
25°
23
33°
30°
24
38°
29°
25
48°
27°
26
47°
22°
27
38°
22°
28
34°
23°
29
36°
23°
30
38°
33°
31
46°
28°
1
51°
22°
2
44°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mill Run
Mill Run's December 2026 forecast shows daily high temperatures ranging from 33° to 54°, with overnight lows between 19° and 41°. The average high for December is 44° 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 Mill Run. See also: January | February | March.
