S
M
T
W
T
F
S
26
76°
56°
27
76°
54°
28
78°
58°
29
77°
58°
30
76°
56°
31
77°
54°
1
76°
53°
2
74°
52°
3
75°
54°
4
78°
57°
5
78°
58°
6
77°
57°
7
77°
56°
8
76°
54°
9
78°
58°
10
78°
56°
11
77°
57°
12
79°
57°
13
79°
56°
14
78°
57°
15
78°
57°
16
77°
55°
17
78°
55°
18
78°
54°
19
77°
50°
20
73°
50°
21
72°
49°
22
72°
49°
23
73°
52°
24
72°
50°
25
72°
50°
26
73°
53°
27
71°
55°
28
72°
50°
29
72°
50°
30
71°
49°
31
70°
48°
1
72°
49°
2
74°
52°
3
73°
53°
4
72°
48°
5
71°
47°
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 70° to 79°, with overnight lows between 47° and 58°. The average high for August is 75° with an average low of 53°. 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.
