Monthly Historical AveragesOntario, CA
Average Temperature
High
24°
Feels 24
Low
10°
Feels 10
Average Precipitation
2 Days
7.5mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 21, 2026
Day
22°Feels 22
Wind
25 km/h SW
Gust
37 km/h
Humidity
31%
P.O.P
40%
Rain
~1 mm
Night
12°Feels 12
Wind
18 km/h W
Gust
28 km/h
Humidity
85%
P.O.P
30%
Historical AveragesApr 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity