S
M
T
W
T
F
S
26
85°
71°
27
86°
72°
28
89°
72°
29
87°
71°
30
89°
72°
31
88°
72°
1
89°
71°
2
88°
72°
3
88°
72°
4
90°
71°
5
88°
71°
6
85°
70°
7
88°
72°
8
88°
68°
9
82°
65°
10
81°
65°
11
82°
68°
12
82°
70°
13
83°
70°
14
85°
71°
15
87°
70°
16
83°
69°
17
87°
62°
18
82°
62°
19
83°
69°
20
86°
68°
21
87°
69°
22
86°
70°
23
88°
69°
24
86°
68°
25
85°
67°
26
79°
64°
27
79°
63°
28
80°
63°
29
79°
62°
30
80°
64°
31
82°
68°
1
85°
68°
2
86°
67°
3
86°
63°
4
84°
59°
5
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Olney
Olney's August 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 59° and 72°. The average high for August is 85° with an average low of 68°. 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 Olney. See also: September | October | November.
