S
M
T
W
T
F
S
29
45°
28°
30
50°
24°
1
46°
24°
2
38°
25°
3
42°
26°
4
44°
28°
5
46°
32°
6
49°
34°
7
49°
37°
8
52°
33°
9
53°
32°
10
49°
32°
11
47°
24°
12
43°
24°
13
36°
25°
14
39°
24°
15
37°
20°
16
36°
18°
17
34°
18°
18
32°
19°
19
34°
18°
20
33°
21°
21
36°
28°
22
40°
30°
23
47°
26°
24
46°
22°
25
39°
14°
26
35°
13°
27
32°
24°
28
32°
16°
29
40°
13°
30
32°
12°
31
27°
16°
1
29°
23°
2
36°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Oak Ridge
Oak Ridge's December 2026 forecast shows daily high temperatures ranging from 27° to 53°, with overnight lows between 12° and 37°. The average high for December is 40° with an average low of 23°. 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 Oak Ridge. See also: January | February | March.
