Ontario, California Weather:
Monday, November 16, 2026
Partly Sunny with Showers
Day 68°
Night 54°
Precipitation 85 %
Wind 6 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (November 16, 2025)
Rainy Weather

Day

59°

Night

54°

Wind

5 mph

Precipitation

89 %