S
M
T
W
T
F
S
29
46°
26°
30
47°
28°
1
48°
30°
2
48°
37°
3
47°
40°
4
50°
40°
5
49°
39°
6
50°
40°
7
49°
36°
8
45°
32°
9
44°
31°
10
45°
29°
11
59°
39°
12
62°
26°
13
62°
25°
14
43°
24°
15
44°
25°
16
46°
24°
17
43°
28°
18
50°
38°
19
52°
41°
20
59°
39°
21
60°
37°
22
59°
39°
23
58°
40°
24
62°
28°
25
62°
24°
26
56°
23°
27
42°
28°
28
50°
36°
29
54°
37°
30
56°
39°
31
60°
41°
1
59°
35°
2
60°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Loudon
Loudon's December 2026 forecast shows daily high temperatures ranging from 42° to 62°, with overnight lows between 23° and 41°. The average high for December is 52° 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 Loudon. See also: January | February | March.
