Rialto, California Weather:
Friday, June 19, 2026
Sunny Weather
Day 88°
Night 61°
Precipitation 10 %
Wind 2 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (June 19, 2025)
Sunny Weather

Day

91°

Night

61°

Wind

8 mph

UV Index

12

Precipitation

1 %