S
M
T
W
T
F
S
26
81°
62°
27
84°
64°
28
83°
68°
29
80°
61°
30
83°
55°
31
85°
57°
1
80°
70°
2
81°
68°
3
81°
67°
4
85°
68°
5
83°
67°
6
83°
66°
7
84°
66°
8
85°
67°
9
83°
65°
10
82°
64°
11
82°
64°
12
81°
63°
13
83°
62°
14
82°
61°
15
78°
58°
16
78°
58°
17
86°
66°
18
85°
65°
19
87°
65°
20
85°
64°
21
84°
62°
22
86°
64°
23
87°
65°
24
87°
65°
25
84°
64°
26
84°
64°
27
83°
63°
28
83°
63°
29
82°
62°
30
81°
63°
31
83°
62°
1
84°
61°
2
79°
57°
3
76°
57°
4
79°
58°
5
81°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chesterhill
Chesterhill's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 57° and 70°. The average high for August is 83° with an average low of 63°. 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 Chesterhill. See also: September | October | November.