S
M
T
W
T
F
S
26
67°
55°
27
66°
53°
28
66°
52°
29
67°
56°
30
68°
55°
31
69°
53°
1
71°
57°
2
67°
56°
3
68°
56°
4
69°
55°
5
71°
56°
6
71°
56°
7
70°
55°
8
68°
54°
9
67°
52°
10
67°
56°
11
69°
57°
12
71°
57°
13
71°
56°
14
70°
56°
15
72°
57°
16
72°
57°
17
71°
56°
18
68°
54°
19
70°
56°
20
70°
56°
21
69°
55°
22
69°
51°
23
68°
54°
24
66°
53°
25
65°
51°
26
65°
51°
27
66°
52°
28
65°
52°
29
64°
54°
30
64°
54°
31
65°
50°
1
64°
49°
2
64°
53°
3
65°
48°
4
68°
48°
5
63°
50°
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 63° to 72°, with overnight lows between 48° and 57°. The average high for August is 68° with an average low of 54°. 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.
