Ontario, California Weather:
Friday, July 10, 2026
Sunny Weather
Day 90°
Night 63°
Precipitation 20 %
Wind 1 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (July 10, 2025)
Sunny Weather

Day

97°

Night

64°

Wind

7 mph

UV Index

12

Precipitation

1 %