S
M
T
W
T
F
S
26
89°
71°
27
93°
72°
28
92°
72°
29
87°
71°
30
89°
72°
31
93°
72°
1
93°
71°
2
94°
72°
3
94°
73°
4
93°
72°
5
93°
72°
6
92°
71°
7
91°
72°
8
91°
72°
9
88°
69°
10
87°
67°
11
87°
67°
12
90°
72°
13
92°
72°
14
91°
71°
15
92°
72°
16
89°
72°
17
93°
70°
18
93°
70°
19
91°
70°
20
90°
71°
21
93°
72°
22
94°
71°
23
92°
70°
24
90°
70°
25
90°
66°
26
89°
66°
27
87°
69°
28
87°
69°
29
85°
67°
30
85°
65°
31
87°
66°
1
89°
67°
2
91°
69°
3
89°
69°
4
90°
67°
5
88°
63°
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 85° to 94°, with overnight lows between 63° and 73°. The average high for August is 90° with an average low of 70°. 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.
