S
M
T
W
T
F
S
26
82°
66°
27
84°
63°
28
84°
62°
29
85°
64°
30
87°
66°
31
87°
63°
1
83°
67°
2
88°
68°
3
87°
67°
4
88°
63°
5
83°
62°
6
82°
63°
7
82°
65°
8
83°
64°
9
84°
62°
10
83°
66°
11
83°
66°
12
86°
65°
13
83°
66°
14
83°
66°
15
85°
65°
16
87°
64°
17
87°
61°
18
83°
61°
19
82°
65°
20
84°
60°
21
84°
60°
22
82°
61°
23
86°
64°
24
87°
63°
25
86°
62°
26
84°
64°
27
86°
59°
28
81°
57°
29
80°
58°
30
80°
58°
31
82°
59°
1
85°
62°
2
85°
63°
3
84°
62°
4
85°
62°
5
84°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chatham
Chatham's August 2026 forecast shows daily high temperatures ranging from 80° to 88°, with overnight lows between 57° and 68°. The average high for August is 84° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Chatham. See also: September | October | November.
