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Simi Valley Forecast Summary
Currently in Simi Valley
Temperature, Humidity, Wind & Pressure
Sunrise & Sunset
Extreme Temperatures
Precipitation
Data captured from a Peet Bros. Ultimeter 2100
Local Weather Roundup
Simi Valley Forecast
Sunday, May 3, 2026
Conditions will remain cool on Monday and Tuesday with a slight chance of drizzle or a light shower. Gusty onshore winds are expected Tuesday afternoon. Dry and warmer conditions are likely Wednesday through next weekend. Today: Partly sunny and breezy , high near 64°F . Pollen level is rated "medium". Predicted air quality is good, AQI: 50 (for Simi Valley and Moorpark (courtesy of the VCAPCD)). Tonight: Mostly cloudy and breezy, low around 52°F. Monday: Mostly sunny and breezy, high of about 66°F. Monday night:Mostly cloudy and cool. Evening breezes, low near 49°F. Tuesday: Mostly sunny. Afternoon breezes, high around 67°F. Tuesday night: Mostly clear. Evening breezes, low of about 50°F. Wednesday: Sunny, high near 75°F. Wednesday night: Clear, low around 54°F. Thursday: Sunny and warm, high of about 82°F. Thursday night: Clear, low near 56°F. Friday: Sunny and warm, high around 83°F. Friday night: Clear, low of about 57°F. Saturday: Sunny and warm, high near 85°F. Simi Valley forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.Recently in
Simi Valley
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Simi Valley
Featured Photos
Cloud Stream: As seen near the Santa Susana pass, from the 118 freeway. Photo courtesy of Gabe Medrano.
Simi Valley
Weather News
Storm Totals: April 25th-26th, 2026
A late-season Pacific storm brought cool temperatures and showers to the re ... Posted April 27, 2026, 9:14 AMOther Weather Information
National Weather Service
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