S
M
T
W
T
F
S
29
44°
33°
30
43°
32°
1
44°
36°
2
50°
39°
3
51°
35°
4
45°
31°
5
42°
31°
6
42°
33°
7
49°
32°
8
46°
35°
9
49°
32°
10
43°
32°
11
48°
35°
12
48°
37°
13
46°
37°
14
48°
36°
15
48°
36°
16
47°
35°
17
47°
36°
18
48°
37°
19
48°
36°
20
47°
37°
21
49°
36°
22
47°
37°
23
50°
36°
24
47°
35°
25
48°
36°
26
47°
35°
27
47°
37°
28
48°
37°
29
49°
36°
30
48°
37°
31
49°
36°
1
48°
36°
2
48°
35°
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 42° to 51°, with overnight lows between 31° and 39°. The average high for December is 47° with an average low of 35°. 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.
