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Rialto, California Weather:
Tuesday, January 20, 2026
Sunny Weather
Day 79°
Night 52°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (January 20, 2025)
Windy Weather

Day

61°

Night

39°

Wind

19 mph

UV Index

3

Precipitation

0 %