S
M
T
W
T
F
S
28
78°
58°
29
79°
59°
30
82°
61°
1
83°
62°
2
81°
61°
3
77°
59°
4
76°
60°
5
78°
66°
6
72°
57°
7
74°
59°
8
76°
60°
9
78°
60°
10
74°
59°
11
75°
60°
12
78°
61°
13
74°
61°
14
74°
60°
15
75°
61°
16
74°
61°
17
74°
60°
18
75°
60°
19
74°
61°
20
79°
61°
21
78°
60°
22
77°
61°
23
74°
61°
24
75°
60°
25
78°
62°
26
77°
62°
27
80°
61°
28
81°
62°
29
77°
61°
30
79°
62°
31
79°
62°
1
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Brownsburg-Chatham
Brownsburg-Chatham's July 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 57° and 66°. The average high for July is 77° with an average low of 61°. 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 Brownsburg-Chatham. See also: August | September | October.