Ontario, California Weather:
Wednesday, April 29, 2026
Cloudy Weather
Day 79°
Night 54°
Precipitation 10 %
Wind 1 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (April 29, 2025)
Cloudy Weather

Day

77°

Night

54°

Wind

8 mph

UV Index

10

Precipitation

1 %