Monthly Historical AveragesOlean, NY
Average Temperature
High
20°
Feels 20
Low
7°
Feels 6
Average Precipitation
13 Days
79.5mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, May 17, 2026
Day
26°Feels 26
Wind
16 km/h W
Gust
33 km/h
Humidity
51%
P.O.P
40%
Rain
<1 mm
Night
17°Feels 17
Wind
12 km/h S
Gust
18 km/h
Humidity
94%
P.O.P
40%
Rain
<1 mm
Historical AveragesMay 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity