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Ontario, California Weather:
Monday, March 2, 2026
Sunny Weather
Day 70°
Night 45°
Precipitation 97 %
Wind 9 mph
Weather Forecast History
Last Year's Weather on This Day (March 2, 2025)
Partly Sunny with Showers

Day

59°

Night

43°

Wind

11 mph

UV Index

3

Precipitation

87 %