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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 10, 2026
Temperatures away from the coast will warm into the 80's and 90's through Monday. Hundred degree readings may occur locally in the warmest valleys and the Antelope Valley. Coastal low clouds will develop each night, expanding into the valleys Tuesday as a cooling trend begins. Today: Sunny. Warm and breezy , high near 84°F . Pollen level is rated "low-medium". Predicted air quality is moderate, AQI: 97 (for Simi Valley and Moorpark (courtesy of the VCAPCD)). Tonight: Mostly clear. Light breezes, low around 51°F. Monday: Sunny and very warm. Light breezes, high of about 92°F. Monday night:Mostly clear. Light breezes, low near 53°F. Tuesday: Sunny and warm. Afternoon breezes, high around 83°F. Tuesday night: Partly cloudy and cool, low of about 48°F. Wednesday: Sunny, high near 77°F. Wednesday night: Mostly clear, low around 52°F. Thursday: Sunny, high of about 73°F. Thursday night: Mostly clear, low near 52°F. Friday: Sunny, high around 77°F. Friday night: Mostly clear, low of about 54°F. Saturday: Sunny and warm, high near 82°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: May 4th-5th, 2026
A low pressure system off the Central California coast brought unsettled we ... Posted May 7, 2026, 10:22 PMOther Weather Information
National Weather Service
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