Fontana, California Weather:
Thursday, October 15, 2026
Sunny Weather
Day 86°
Night 57°
Precipitation 5 %
Wind 7 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (October 15, 2025)
Night

Day

66°

Night

50°

Wind

5 mph

Precipitation

0 %