S
M
T
W
T
F
S
26
86°
69°
27
86°
69°
28
85°
68°
29
84°
68°
30
85°
67°
31
79°
64°
1
79°
63°
2
80°
63°
3
80°
65°
4
79°
63°
5
79°
63°
6
80°
65°
7
80°
67°
8
79°
66°
9
80°
67°
10
84°
61°
11
83°
62°
12
84°
62°
13
83°
65°
14
84°
66°
15
85°
65°
16
85°
66°
17
86°
66°
18
85°
65°
19
84°
60°
20
82°
58°
21
78°
58°
22
78°
59°
23
79°
57°
24
78°
58°
25
80°
58°
26
83°
57°
27
83°
58°
28
81°
62°
29
78°
61°
30
77°
60°
31
82°
62°
1
83°
56°
2
82°
55°
3
75°
54°
4
76°
56°
5
78°
62°
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 86°, with overnight lows between 54° and 69°. 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 Chesterfield. See also: September | October | November.
