S
M
T
W
T
F
S
26
80°
66°
27
82°
70°
28
88°
71°
29
86°
72°
30
86°
73°
31
86°
74°
1
90°
73°
2
88°
76°
3
85°
73°
4
85°
74°
5
87°
74°
6
88°
73°
7
84°
71°
8
89°
73°
9
88°
71°
10
87°
72°
11
88°
72°
12
85°
71°
13
85°
71°
14
84°
70°
15
88°
71°
16
82°
70°
17
88°
73°
18
89°
73°
19
87°
72°
20
89°
72°
21
83°
71°
22
84°
72°
23
87°
72°
24
88°
71°
25
88°
72°
26
87°
72°
27
86°
71°
28
85°
72°
29
84°
71°
30
85°
72°
31
86°
72°
1
85°
71°
2
82°
69°
3
79°
68°
4
78°
67°
5
78°
65°
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 78° to 90°, with overnight lows between 65° and 76°. The average high for August is 86° with an average low of 71°. 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.
