Rancho Cucamonga, California Weather:
Thursday, January 8, 2026
Cloudy Weather
Day 61°
Night 45°
Precipitation 0 %
Wind 1 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 8, 2025)
Windy Weather

Day

64°

Night

46°

Wind

21 mph

UV Index

3

Precipitation

25 %