Simi Valley, California Weather:
Friday, April 17, 2026
Rainy Weather
Day 75°
Night 54°
Precipitation 56 %
Wind 5 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (April 17, 2025)
Rainy Weather

Day

61°

Night

50°

Wind

8 mph

UV Index

3

Precipitation

40 %