S
M
T
W
T
F
S
29
50°
41°
30
60°
40°
1
58°
42°
2
60°
39°
3
49°
36°
4
55°
34°
5
58°
40°
6
58°
37°
7
46°
34°
8
46°
28°
9
47°
27°
10
46°
25°
11
43°
25°
12
43°
26°
13
44°
24°
14
46°
25°
15
46°
30°
16
47°
34°
17
46°
36°
18
52°
31°
19
51°
24°
20
46°
23°
21
43°
22°
22
42°
25°
23
45°
28°
24
44°
24°
25
43°
23°
26
42°
22°
27
42°
23°
28
41°
22°
29
43°
26°
30
45°
29°
31
50°
24°
1
50°
20°
2
41°
18°
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 41° to 60°, with overnight lows between 18° and 42°. The average high for December is 48° 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 Loudon. See also: January | February | March.
