S
M
T
W
T
F
S
26
75°
55°
27
74°
54°
28
73°
55°
29
74°
51°
30
71°
48°
31
73°
52°
1
73°
53°
2
72°
51°
3
73°
52°
4
72°
52°
5
73°
51°
6
70°
47°
7
66°
52°
8
71°
51°
9
68°
48°
10
70°
49°
11
71°
49°
12
70°
47°
13
69°
48°
14
63°
46°
15
67°
49°
16
69°
45°
17
63°
49°
18
62°
43°
19
62°
42°
20
60°
45°
21
61°
41°
22
60°
38°
23
60°
41°
24
59°
40°
25
60°
40°
26
60°
44°
27
65°
47°
28
64°
47°
29
65°
44°
30
62°
39°
31
57°
38°
1
58°
40°
2
57°
42°
3
56°
37°
4
57°
38°
5
56°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Olnes
Olnes's August 2026 forecast shows daily high temperatures ranging from 56° to 75°, with overnight lows between 37° and 55°. The average high for August is 66° with an average low of 46°. 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 Olnes. See also: September | October | November.