Ontario, California Weather:
Sunday, June 7, 2026
Cloudy Weather
Day 81°
Night 57°
Precipitation 1 %
Wind 9 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (June 7, 2025)
Cloudy Weather

Day

79°

Night

57°

Wind

7 mph

UV Index

12

Precipitation

40 %