Rialto, California Weather:
Tuesday, March 31, 2026
Sunny Weather
Day 66°
Night 41°
Precipitation 40 %
Wind 8 mph
Weather Forecast History
Last Year's Weather on This Day (March 31, 2025)
Rainy Weather

Day

64°

Night

50°

Wind

9 mph

UV Index

4

Precipitation

90 %