S
M
T
W
T
F
S
26
77°
63°
27
78°
58°
28
82°
63°
29
88°
61°
30
77°
60°
31
N/A
1
77°
51°
2
82°
57°
3
86°
61°
4
81°
60°
5
78°
56°
6
76°
57°
7
73°
55°
8
72°
54°
9
75°
56°
10
77°
58°
11
77°
56°
12
78°
57°
13
73°
56°
14
75°
57°
15
75°
57°
16
74°
56°
17
75°
57°
18
73°
56°
19
73°
57°
20
72°
56°
21
72°
55°
22
70°
53°
23
70°
56°
24
69°
55°
25
71°
55°
26
70°
56°
27
71°
55°
28
71°
53°
29
68°
55°
30
67°
54°
31
68°
50°
1
65°
49°
2
66°
52°
3
65°
51°
4
65°
48°
5
64°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chesterton
Chesterton's August 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 48° and 61°. The average high for August is 73° with an average low of 55°. 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 Chesterton. See also: September | October | November.
