Simi Valley, California Weather:
Tuesday, March 31, 2026
Sunny Weather
Day 68°
Night 43°
Precipitation 2 %
Wind 7 mph
Weather Forecast History
Last Year's Weather on This Day (March 31, 2025)
Rainy Weather

Day

68°

Night

43°

Wind

9 mph

UV Index

4

Precipitation

49 %