S
M
T
W
T
F
S
28
78°
68°
29
90°
66°
30
93°
68°
1
97°
75°
2
99°
77°
3
98°
76°
4
94°
75°
5
96°
69°
6
90°
67°
7
88°
64°
8
86°
65°
9
87°
67°
10
88°
67°
11
88°
68°
12
87°
66°
13
88°
65°
14
79°
61°
15
79°
60°
16
80°
61°
17
81°
63°
18
81°
63°
19
82°
67°
20
83°
68°
21
84°
68°
22
86°
67°
23
82°
68°
24
83°
68°
25
86°
67°
26
87°
68°
27
87°
69°
28
86°
68°
29
85°
68°
30
84°
62°
31
79°
61°
1
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Chambersburg
Chambersburg's July 2026 forecast shows daily high temperatures ranging from 79° to 99°, with overnight lows between 60° and 77°. The average high for July is 86° with an average low of 67°. 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 Chambersburg. See also: August | September | October.
