S
M
T
W
T
F
S
29
59°
35°
30
59°
41°
1
58°
38°
2
55°
33°
3
54°
41°
4
58°
44°
5
60°
42°
6
61°
39°
7
47°
39°
8
52°
36°
9
47°
27°
10
44°
26°
11
44°
26°
12
45°
27°
13
44°
27°
14
45°
31°
15
54°
42°
16
59°
40°
17
53°
39°
18
51°
38°
19
57°
37°
20
54°
35°
21
46°
26°
22
44°
29°
23
46°
37°
24
48°
27°
25
44°
19°
26
41°
21°
27
38°
33°
28
45°
33°
29
49°
30°
30
50°
24°
31
50°
25°
1
43°
29°
2
47°
22°
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 38° to 61°, with overnight lows between 19° and 44°. The average high for December is 50° 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 Oak Ridge. See also: January | February | March.
