Rialto, California Weather:
Friday, July 3, 2026
Sunny Weather
Day 88°
Night 61°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (July 3, 2025)
Sunny Weather

Day

90°

Night

63°

Wind

7 mph

UV Index

12

Precipitation

0 %