S
M
T
W
T
F
S
26
84°
68°
27
81°
67°
28
78°
67°
29
78°
66°
30
81°
69°
31
84°
69°
1
84°
68°
2
81°
68°
3
86°
67°
4
85°
60°
5
79°
62°
6
81°
61°
7
79°
60°
8
76°
61°
9
76°
59°
10
78°
61°
11
79°
66°
12
83°
67°
13
80°
59°
14
79°
59°
15
77°
60°
16
79°
64°
17
78°
61°
18
77°
59°
19
77°
59°
20
78°
58°
21
80°
63°
22
83°
65°
23
83°
66°
24
84°
66°
25
83°
65°
26
84°
64°
27
83°
62°
28
82°
65°
29
82°
63°
30
78°
57°
31
75°
54°
1
73°
56°
2
73°
55°
3
74°
56°
4
74°
55°
5
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chatham-Kent
Chatham-Kent's August 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 54° and 69°. The average high for August is 80° 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-Kent. See also: September | October | November.