S
M
T
W
T
F
S
28
80°
56°
29
83°
60°
30
80°
63°
1
84°
64°
2
88°
63°
3
85°
60°
4
81°
58°
5
80°
58°
6
78°
59°
7
80°
58°
8
79°
57°
9
78°
56°
10
81°
60°
11
76°
60°
12
75°
59°
13
75°
60°
14
76°
60°
15
76°
59°
16
82°
61°
17
81°
61°
18
82°
60°
19
83°
61°
20
82°
61°
21
82°
60°
22
77°
60°
23
82°
61°
24
83°
61°
25
82°
59°
26
76°
56°
27
79°
60°
28
77°
60°
29
77°
59°
30
79°
54°
31
75°
53°
1
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Chatham
Chatham's July 2026 forecast shows daily high temperatures ranging from 74° to 88°, with overnight lows between 53° and 64°. The average high for July is 80° with an average low of 59°. 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 Chatham. See also: August | September | October.