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Ontario, California Weather:
Sunday, February 1, 2026
Cloudy Weather
Day 70°
Night 45°
Precipitation 25 %
Wind 7 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (February 1, 2025)
Cloudy Weather

Day

70°

Night

46°

Wind

4 mph

UV Index

3

Precipitation

0 %