S
M
T
W
T
F
S
26
88°
77°
27
88°
75°
28
93°
77°
29
93°
81°
30
95°
75°
31
90°
75°
1
91°
81°
2
88°
73°
3
88°
75°
4
88°
75°
5
84°
75°
6
86°
77°
7
90°
77°
8
84°
77°
9
88°
75°
10
91°
73°
11
93°
75°
12
97°
75°
13
99°
75°
14
93°
75°
15
95°
77°
16
94°
77°
17
98°
78°
18
102°
78°
19
94°
78°
20
92°
77°
21
94°
76°
22
90°
75°
23
92°
76°
24
93°
77°
25
87°
75°
26
89°
73°
27
88°
74°
28
85°
72°
29
86°
71°
30
85°
75°
31
83°
76°
1
82°
73°
2
83°
74°
3
84°
77°
4
86°
72°
5
82°
72°
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 82° to 102°, with overnight lows between 71° and 78°. The average high for August is 89° with an average low of 75°. 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.
