S
M
T
W
T
F
S
26
86°
78°
27
87°
77°
28
86°
79°
29
85°
79°
30
88°
78°
31
89°
79°
1
89°
79°
2
88°
78°
3
88°
78°
4
86°
79°
5
86°
77°
6
85°
79°
7
89°
76°
8
88°
74°
9
86°
75°
10
89°
75°
11
87°
76°
12
87°
76°
13
86°
76°
14
86°
76°
15
88°
77°
16
88°
78°
17
86°
77°
18
85°
79°
19
89°
77°
20
89°
76°
21
86°
76°
22
83°
77°
23
83°
76°
24
84°
74°
25
85°
73°
26
84°
74°
27
86°
75°
28
87°
74°
29
87°
75°
30
86°
74°
31
87°
76°
1
87°
75°
2
83°
73°
3
83°
73°
4
84°
75°
5
86°
74°
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 83° to 89°, with overnight lows between 73° and 79°. The average high for August is 86° with an average low of 76°. 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.
