S
M
T
W
T
F
S
29
68°
51°
30
70°
50°
1
73°
51°
2
73°
42°
3
70°
38°
4
60°
34°
5
55°
32°
6
53°
31°
7
53°
34°
8
54°
33°
9
52°
33°
10
51°
31°
11
51°
34°
12
53°
34°
13
53°
33°
14
56°
31°
15
52°
31°
16
52°
32°
17
53°
36°
18
56°
43°
19
59°
46°
20
64°
45°
21
65°
47°
22
61°
50°
23
68°
46°
24
69°
47°
25
68°
45°
26
64°
47°
27
65°
46°
28
65°
48°
29
64°
47°
30
67°
44°
31
66°
36°
1
63°
34°
2
55°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Thorndale
Thorndale's December 2026 forecast shows daily high temperatures ranging from 51° to 73°, with overnight lows between 31° and 51°. The average high for December is 61° with an average low of 40°. 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 Thorndale. See also: January | February | March.
