Rialto, California Weather:
Monday, April 27, 2026
Sunny Weather
Day 81°
Night 54°
Precipitation 20 %
Wind 1 mph
UV Index (0 - 11+) 10
Weather Forecast History
Last Year's Weather on This Day (April 27, 2025)
Cloudy Weather

Day

59°

Night

50°

Wind

7 mph

UV Index

7

Precipitation

25 %