Rancho Cucamonga, California Weather:
Saturday, March 14, 2026
Sunny Weather
Day 66°
Night 45°
Precipitation 5 %
Wind 1 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (March 14, 2025)
Rainy Weather

Day

48°

Night

43°

Wind

4 mph

UV Index

1

Precipitation

96 %