Ontario, California Weather:
Wednesday, April 29, 2026
Sunny with a Chance of Thunderstorms
Day 72°
Night 52°
Precipitation 1 %
Wind 6 mph
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 %