Monthly Historical AveragesOntario, OR

Average Temperature
High
23°
Feels 23
Low
9°
Feels 7
Average Precipitation
6 Days
Rain amount
27.9mm
Snow amount
0cm
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Daily Historical Averages

S
M
T
W
T
F
S
ForecastMonday, May 18, 2026
Day
Sunny
21°Feels 21
Wind
21 km/h N
Gust
32 km/h
Humidity
20%
P.O.P
10%
Night
Partly cloudy
5°Feels 3
Wind
21 km/h N
Gust
32 km/h
Humidity
65%
P.O.P
10%
Historical AveragesMay 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
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