Ontario, California Weather:
Friday, March 27, 2026
Cloudy Weather
Day 86°
Night 57°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (March 27, 2025)
Cloudy Weather

Day

64°

Night

54°

Wind

8 mph

UV Index

4

Precipitation

3 %