Rialto, California Weather:
Friday, November 20, 2026
Partly Sunny with Showers
Day 61°
Night 43°
Precipitation 59 %
Wind 4 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (November 20, 2025)
Rainy Weather

Day

57°

Night

48°

Wind

6 mph

Precipitation

99 %