Fontana, California Weather:
Friday, September 11, 2026
Sunny Weather
Day 93°
Night 63°
Precipitation 5 %
Wind 1 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (September 11, 2025)
Cloudy Night

Day

81°

Night

63°

Wind

6 mph

Precipitation

1 %