Simi Valley, California Weather:
Thursday, September 10, 2026
Sunny Weather
Day 95°
Night 64°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (September 10, 2025)
Cloudy Night

Day

79°

Night

61°

Wind

6 mph

Precipitation

1 %