Rialto, California Weather:
Monday, June 8, 2026
Sunny Weather
Day 84°
Night 59°
Precipitation 1 %
Wind 7 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (June 8, 2025)
Sunny Weather

Day

86°

Night

61°

Wind

7 mph

UV Index

12

Precipitation

0 %