Simi Valley, California Weather:
Tuesday, September 29, 2026
Sunny Weather
Day 91°
Night 61°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (September 29, 2025)
Cloudy Night

Day

79°

Night

59°

Wind

5 mph

Precipitation

2 %