Rancho Cucamonga, California Weather:
Tuesday, March 3, 2026
Partly Sunny with Showers
Day 79°
Night 54°
Precipitation 75 %
Wind 4 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (March 3, 2025)
Cloudy Weather

Day

63°

Night

43°

Wind

9 mph

UV Index

5

Precipitation

25 %