Simi Valley, California Weather:
Friday, July 31, 2026
Cloudy Weather
Day 100°
Night 64°
Precipitation 1 %
Wind 6 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (July 31, 2025)
Night

Day

84°

Night

57°

Wind

6 mph

Precipitation

0 %