Ontario, California Weather:
Sunday, April 12, 2026
Rainy Weather
Day 66°
Night 54°
Precipitation 65 %
Wind 6 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (April 12, 2025)
Cloudy Weather

Day

77°

Night

54°

Wind

7 mph

UV Index

9

Precipitation

1 %