S
M
T
W
T
F
S
29
54°
32°
30
55°
35°
1
60°
37°
2
63°
30°
3
54°
32°
4
56°
43°
5
60°
48°
6
66°
43°
7
69°
34°
8
63°
34°
9
59°
43°
10
61°
45°
11
63°
42°
12
65°
37°
13
59°
29°
14
51°
31°
15
51°
38°
16
58°
42°
17
61°
44°
18
64°
45°
19
66°
45°
20
68°
40°
21
67°
34°
22
55°
29°
23
50°
34°
24
52°
42°
25
59°
41°
26
58°
29°
27
60°
28°
28
51°
29°
29
48°
25°
30
48°
23°
31
47°
25°
1
47°
27°
2
57°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Midlothian
Midlothian's December 2026 forecast shows daily high temperatures ranging from 47° to 69°, with overnight lows between 23° and 48°. The average high for December is 58° with an average low of 36°. 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 Midlothian. See also: January | February | March.