Fontana, California Weather:
Saturday, February 21, 2026
Rainy Weather
Day 63°
Night 41°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (February 21, 2025)
Sunny Weather

Day

79°

Night

48°

Wind

8 mph

UV Index

4

Precipitation

0 %