S
M
T
W
T
F
S
26
83°
67°
27
85°
68°
28
86°
68°
29
86°
69°
30
84°
69°
31
84°
68°
1
85°
68°
2
86°
69°
3
87°
69°
4
86°
68°
5
85°
68°
6
86°
67°
7
87°
67°
8
83°
63°
9
79°
61°
10
79°
61°
11
83°
68°
12
85°
68°
13
86°
69°
14
86°
68°
15
85°
66°
16
80°
64°
17
79°
60°
18
79°
59°
19
80°
65°
20
84°
64°
21
85°
66°
22
84°
65°
23
83°
62°
24
79°
59°
25
77°
60°
26
77°
58°
27
78°
58°
28
77°
60°
29
78°
59°
30
80°
61°
31
82°
64°
1
82°
64°
2
80°
63°
3
83°
55°
4
77°
55°
5
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chesterfield
Chesterfield's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 55° and 69°. The average high for August is 82° 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 Chesterfield. See also: September | October | November.
