Ontario, California Weather:
Wednesday, April 8, 2026
Cloudy Weather
Day 70°
Night 48°
Precipitation 25 %
Wind 1 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (April 8, 2025)
Sunny Weather

Day

82°

Night

55°

Wind

6 mph

UV Index

8

Precipitation

1 %