S
M
T
W
T
F
S
28
69°
58°
29
66°
56°
30
70°
57°
1
67°
57°
2
65°
56°
3
70°
53°
4
69°
61°
5
71°
60°
6
74°
61°
7
72°
60°
8
80°
60°
9
79°
59°
10
88°
61°
11
89°
59°
12
85°
53°
13
81°
55°
14
84°
56°
15
85°
60°
16
84°
61°
17
81°
59°
18
77°
55°
19
74°
56°
20
71°
54°
21
70°
54°
22
71°
55°
23
69°
54°
24
69°
56°
25
70°
56°
26
71°
55°
27
72°
56°
28
69°
55°
29
70°
55°
30
72°
56°
31
73°
57°
1
72°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Chester
Chester's July 2026 forecast shows daily high temperatures ranging from 69° to 89°, with overnight lows between 53° and 61°. The average high for July is 76° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Chester. See also: August | September | October.