S
M
T
W
T
F
S
26
77°
63°
27
78°
58°
28
82°
63°
29
88°
61°
30
77°
60°
31
76°
56°
1
77°
52°
2
N/A
3
90°
60°
4
82°
60°
5
77°
52°
6
70°
48°
7
73°
53°
8
74°
53°
9
75°
56°
10
78°
57°
11
79°
57°
12
79°
59°
13
78°
57°
14
76°
56°
15
71°
57°
16
72°
56°
17
70°
56°
18
68°
54°
19
67°
51°
20
67°
51°
21
66°
50°
22
67°
50°
23
67°
51°
24
71°
55°
25
72°
56°
26
71°
54°
27
71°
53°
28
70°
55°
29
71°
53°
30
72°
54°
31
72°
55°
1
70°
54°
2
68°
50°
3
65°
49°
4
66°
49°
5
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Chesterton
Chesterton's August 2026 forecast shows daily high temperatures ranging from 65° to 90°, with overnight lows between 48° and 60°. The average high for August is 72° 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 Chesterton. See also: September | October | November.
