S
M
T
W
T
F
S
26
84°
59°
27
83°
60°
28
82°
59°
29
83°
60°
30
85°
59°
31
84°
58°
1
84°
59°
2
86°
65°
3
87°
65°
4
87°
58°
5
82°
59°
6
82°
61°
7
83°
62°
8
82°
59°
9
85°
65°
10
87°
65°
11
87°
58°
12
88°
58°
13
82°
56°
14
80°
56°
15
82°
57°
16
81°
59°
17
82°
64°
18
86°
63°
19
88°
64°
20
88°
58°
21
82°
60°
22
81°
64°
23
85°
63°
24
86°
56°
25
88°
56°
26
80°
57°
27
81°
55°
28
80°
55°
29
80°
56°
30
81°
55°
31
81°
58°
1
80°
57°
2
81°
57°
3
80°
58°
4
82°
61°
5
86°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Olin
Olin's August 2026 forecast shows daily high temperatures ranging from 80° to 88°, with overnight lows between 55° and 65°. The average high for August is 83° with an average low of 59°. 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 Olin. See also: September | October | November.