S
M
T
W
T
F
S
29
60°
45°
30
63°
42°
1
63°
44°
2
64°
34°
3
59°
30°
4
51°
29°
5
47°
27°
6
45°
27°
7
45°
29°
8
50°
28°
9
46°
27°
10
44°
26°
11
42°
24°
12
41°
28°
13
43°
25°
14
43°
23°
15
40°
21°
16
40°
22°
17
41°
27°
18
42°
34°
19
43°
39°
20
49°
39°
21
56°
40°
22
55°
42°
23
57°
43°
24
59°
41°
25
60°
40°
26
56°
40°
27
56°
38°
28
55°
42°
29
57°
42°
30
58°
39°
31
59°
33°
1
56°
28°
2
48°
32°
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 40° to 64°, with overnight lows between 21° and 45°. The average high for December is 51° 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.
