S
M
T
W
T
F
S
26
89°
72°
27
93°
68°
28
90°
67°
29
90°
68°
30
94°
70°
31
90°
72°
1
90°
73°
2
94°
71°
3
95°
69°
4
92°
68°
5
91°
69°
6
91°
71°
7
92°
72°
8
93°
71°
9
93°
71°
10
94°
72°
11
95°
72°
12
95°
71°
13
92°
71°
14
95°
70°
15
94°
72°
16
95°
70°
17
91°
70°
18
91°
72°
19
94°
71°
20
94°
66°
21
93°
66°
22
91°
67°
23
93°
69°
24
94°
68°
25
92°
69°
26
94°
69°
27
93°
71°
28
93°
70°
29
92°
70°
30
91°
69°
31
92°
70°
1
91°
69°
2
88°
69°
3
87°
68°
4
86°
67°
5
87°
66°
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 86° to 95°, with overnight lows between 66° and 73°. The average high for August is 92° with an average low of 70°. 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.
