Simi Valley, California Weather:
Monday, September 7, 2026
Cloudy Weather
Day 97°
Night 64°
Precipitation 2 %
Wind 5 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (September 7, 2025)
Night

Day

91°

Night

57°

Wind

5 mph

Precipitation

0 %