Riverside, California Weather:
Wednesday, September 16, 2026
Sunny Weather
Day 91°
Night 63°
Precipitation 1 %
Wind 6 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (September 16, 2025)
Night

Day

99°

Night

70°

Wind

5 mph

Precipitation

1 %