Simi Valley, California Weather:
Thursday, March 19, 2026
Cloudy Weather
Day 70°
Night 43°
Precipitation 10 %
Wind 7 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (March 19, 2025)
Sunny Weather

Day

75°

Night

43°

Wind

6 mph

UV Index

6

Precipitation

1 %