Monthly Historical AveragesOntario, CA
Average Temperature
High
30°
Feels 30
Low
15°
Feels 15
Average Precipitation
0 Days
0.2mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, June 23, 2026
Day
32°Feels 32
Wind
22 km/h W
Gust
32 km/h
Humidity
32%
P.O.P
10%
Night
18°Feels 18
Wind
16 km/h W
Gust
25 km/h
Humidity
66%
P.O.P
0%
Historical AveragesJun 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity