Rialto, California Weather:
Sunday, March 15, 2026
Sunny Weather
Day 64°
Night 41°
Precipitation 5 %
Wind 4 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (March 15, 2025)
Cloudy Weather

Day

61°

Night

41°

Wind

6 mph

UV Index

6

Precipitation

1 %