Fontana, California Weather:
Monday, May 25, 2026
Cloudy Weather
Day 81°
Night 57°
Precipitation 1 %
Wind 7 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (May 25, 2025)
Cloudy Weather

Day

75°

Night

55°

Wind

7 mph

UV Index

11

Precipitation

1 %