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Rialto, California Weather:
Saturday, February 21, 2026
Rainy Weather
Day 57°
Night 39°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (February 21, 2025)
Sunny Weather

Day

77°

Night

48°

Wind

7 mph

UV Index

4

Precipitation

0 %