S
M
T
W
T
F
S
29
44°
38°
30
49°
34°
1
53°
28°
2
44°
37°
3
46°
32°
4
53°
30°
5
45°
32°
6
47°
40°
7
51°
36°
8
54°
31°
9
51°
32°
10
43°
35°
11
46°
36°
12
50°
35°
13
50°
34°
14
45°
35°
15
46°
34°
16
51°
29°
17
51°
27°
18
42°
26°
19
43°
26°
20
41°
33°
21
44°
34°
22
50°
33°
23
48°
34°
24
48°
33°
25
47°
29°
26
45°
24°
27
39°
25°
28
39°
27°
29
42°
24°
30
40°
23°
31
39°
32°
1
47°
17°
2
50°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Reading
Reading's December 2026 forecast shows daily high temperatures ranging from 39° to 54°, with overnight lows between 14° and 40°. The average high for December is 46° with an average low of 31°. 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 Reading. See also: January | February | March.
