S
M
T
W
T
F
S
27
63°
58°
28
67°
59°
29
72°
57°
30
78°
50°
1
76°
58°
2
81°
53°
3
69°
48°
4
59°
51°
5
66°
43°
6
57°
34°
7
60°
42°
8
66°
44°
9
64°
43°
10
61°
44°
11
60°
41°
12
62°
43°
13
62°
41°
14
60°
40°
15
54°
35°
16
57°
38°
17
63°
44°
18
63°
45°
19
59°
45°
20
61°
40°
21
55°
36°
22
52°
38°
23
53°
38°
24
60°
42°
25
61°
42°
26
61°
35°
27
49°
33°
28
51°
31°
29
54°
38°
30
53°
37°
31
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Chester
Chester's October 2026 forecast shows daily high temperatures ranging from 49° to 81°, with overnight lows between 31° and 58°. The average high for October is 60° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Chester. See also: November | December | January.