Simi Valley, California Weather:
Wednesday, April 15, 2026
Cloudy Weather
Day 75°
Night 55°
Precipitation 18 %
Wind 4 mph
UV Index (0 - 11+) 8
Weather Forecast History
Last Year's Weather on This Day (April 15, 2025)
Cloudy Weather

Day

66°

Night

48°

Wind

6 mph

UV Index

9

Precipitation

49 %