S
M
T
W
T
F
S
26
83°
61°
27
82°
60°
28
83°
61°
29
84°
60°
30
85°
62°
31
85°
61°
1
84°
61°
2
81°
60°
3
83°
54°
4
76°
53°
5
74°
52°
6
76°
52°
7
80°
56°
8
83°
60°
9
83°
61°
10
82°
60°
11
82°
59°
12
77°
53°
13
Hist. Avg.
78°
54°
14
Hist. Avg.
77°
54°
15
Hist. Avg.
77°
54°
16
Hist. Avg.
77°
53°
17
Hist. Avg.
77°
53°
18
Hist. Avg.
77°
53°
19
Hist. Avg.
77°
53°
20
Hist. Avg.
77°
53°
21
Hist. Avg.
77°
53°
22
Hist. Avg.
76°
53°
23
Hist. Avg.
76°
52°
24
Hist. Avg.
76°
52°
25
Hist. Avg.
76°
52°
26
Hist. Avg.
76°
52°
27
Hist. Avg.
76°
52°
28
Hist. Avg.
76°
52°
29
Hist. Avg.
75°
51°
30
Hist. Avg.
75°
51°
31
Hist. Avg.
75°
51°
1
Hist. Avg.
75°
51°
2
Hist. Avg.
74°
50°
3
Hist. Avg.
74°
50°
4
Hist. Avg.
74°
50°
5
Hist. Avg.
74°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Olean
Olean's August 2026 forecast shows daily high temperatures ranging from 74° to 85°, with overnight lows between 52° and 62°. The average high for August is 81° with an average low of 58°. 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 Olean. See also: September | October | November.
