S
M
T
W
T
F
S
29
51°
34°
30
51°
30°
1
52°
32°
2
49°
29°
3
52°
27°
4
48°
29°
5
48°
32°
6
54°
39°
7
60°
40°
8
63°
35°
9
62°
30°
10
52°
32°
11
53°
35°
12
54°
35°
13
54°
36°
14
56°
30°
15
58°
25°
16
46°
26°
17
45°
26°
18
45°
31°
19
46°
36°
20
52°
39°
21
58°
36°
22
60°
35°
23
58°
39°
24
59°
37°
25
61°
35°
26
57°
35°
27
52°
31°
28
55°
27°
29
54°
32°
30
53°
20°
31
57°
18°
1
39°
21°
2
44°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Chester
Chester's December 2026 forecast shows daily high temperatures ranging from 39° to 63°, with overnight lows between 18° and 40°. The average high for December is 53° 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 Chester. See also: January | February | March.
