S
M
T
W
T
F
S
29
73°
42°
30
82°
60°
31
84°
66°
1
74°
54°
2
82°
61°
3
80°
57°
4
62°
43°
5
60°
38°
6
64°
41°
7
56°
46°
8
76°
54°
9
72°
55°
10
70°
55°
11
74°
59°
12
75°
60°
13
74°
57°
14
73°
50°
15
72°
52°
16
67°
47°
17
66°
50°
18
68°
46°
19
70°
52°
20
73°
55°
21
74°
55°
22
74°
52°
23
64°
53°
24
74°
49°
25
68°
55°
26
75°
55°
27
73°
54°
28
74°
55°
29
71°
54°
30
66°
54°
1
66°
55°
2
67°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Olean
Olean's April 2026 forecast shows daily high temperatures ranging from 56° to 76°, with overnight lows between 38° and 60°. The average high for April is 70° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Olean. See also: May | June | July.
