S
M
T
W
T
F
S
29
52°
38°
30
59°
37°
1
55°
39°
2
58°
34°
3
45°
32°
4
52°
30°
5
56°
37°
6
55°
33°
7
43°
28°
8
42°
23°
9
42°
22°
10
43°
23°
11
40°
25°
12
41°
23°
13
42°
22°
14
42°
21°
15
41°
27°
16
44°
30°
17
43°
32°
18
49°
27°
19
48°
21°
20
42°
20°
21
40°
19°
22
38°
21°
23
42°
25°
24
41°
21°
25
40°
20°
26
39°
17°
27
38°
20°
28
37°
18°
29
39°
21°
30
40°
25°
31
46°
20°
1
46°
17°
2
38°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Middlesboro
Middlesboro's December 2026 forecast shows daily high temperatures ranging from 37° to 59°, with overnight lows between 14° and 39°. The average high for December is 45° with an average low of 25°. 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 Middlesboro. See also: January | February | March.
