S
M
T
W
T
F
S
26
81°
65°
27
81°
62°
28
81°
61°
29
83°
64°
30
82°
67°
31
86°
66°
1
84°
60°
2
81°
60°
3
80°
62°
4
80°
60°
5
81°
60°
6
80°
59°
7
80°
59°
8
81°
61°
9
80°
65°
10
80°
66°
11
81°
66°
12
80°
63°
13
83°
65°
14
85°
59°
15
84°
59°
16
79°
63°
17
82°
63°
18
84°
60°
19
79°
59°
20
78°
58°
21
79°
63°
22
79°
59°
23
78°
64°
24
78°
64°
25
79°
63°
26
80°
64°
27
83°
64°
28
83°
64°
29
84°
63°
30
83°
57°
31
77°
57°
1
77°
58°
2
78°
57°
3
77°
62°
4
76°
56°
5
81°
56°
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 76° to 86°, with overnight lows between 56° and 67°. The average high for August is 81° with an average low of 62°. 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.
