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Ontario, California Weather:
Wednesday, January 7, 2026
Cloudy Weather
Day 63°
Night 43°
Precipitation 25 %
Wind 2 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 7, 2025)
Partly Sunny with Showers

Day

66°

Night

55°

Wind

21 mph

UV Index

3

Precipitation

65 %