S
M
T
W
T
F
S
26
84°
67°
27
86°
69°
28
86°
68°
29
85°
69°
30
87°
70°
31
88°
69°
1
87°
68°
2
86°
66°
3
82°
63°
4
82°
64°
5
81°
63°
6
81°
62°
7
83°
67°
8
85°
66°
9
87°
68°
10
88°
68°
11
87°
67°
12
86°
67°
13
87°
68°
14
88°
66°
15
87°
68°
16
83°
67°
17
82°
68°
18
88°
68°
19
87°
67°
20
85°
61°
21
87°
59°
22
82°
59°
23
81°
61°
24
81°
61°
25
82°
59°
26
81°
65°
27
82°
60°
28
81°
58°
29
80°
59°
30
80°
57°
31
81°
57°
1
79°
58°
2
80°
59°
3
79°
59°
4
78°
58°
5
80°
58°
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 78° to 88°, with overnight lows between 57° and 70°. The average high for August is 84° with an average low of 64°. 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.
