Ontario, California Weather:
Thursday, November 19, 2026
Rainy Weather
Day 61°
Night 46°
Precipitation 91 %
Wind 5 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (November 19, 2025)
Cloudy Night

Day

59°

Night

46°

Wind

5 mph

Precipitation

25 %