S
M
T
W
T
F
S
26
86°
68°
27
88°
70°
28
87°
69°
29
87°
70°
30
88°
71°
31
89°
70°
1
88°
69°
2
87°
67°
3
83°
64°
4
81°
65°
5
81°
64°
6
82°
63°
7
83°
67°
8
85°
68°
9
87°
69°
10
88°
69°
11
87°
68°
12
85°
68°
13
87°
67°
14
88°
67°
15
86°
69°
16
82°
69°
17
84°
67°
18
88°
69°
19
87°
67°
20
87°
62°
21
86°
60°
22
82°
59°
23
81°
61°
24
82°
61°
25
82°
60°
26
83°
66°
27
83°
61°
28
82°
59°
29
81°
60°
30
81°
58°
31
79°
58°
1
79°
59°
2
80°
59°
3
79°
62°
4
79°
59°
5
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Elwood
Elwood's August 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 58° and 71°. The average high for August is 84° with an average low of 65°. 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 Elwood. See also: September | October | November.