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Simi Valley Forecast Summary
Currently in Simi Valley
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Data captured from a Peet Bros. Ultimeter 2100
Local Weather Roundup
Simi Valley Forecast
Saturday, April 11, 2026
 Forecast not current
Expect a mostly dry Saturday with cooler than normal temperatures. Moderate rain and a chance of thunderstorms will likely sweep through the areas Saturday night into Sunday morning. Scattered shower activity is possible Sunday afternoon into Monday morning. Dry and warmer weather is predicted the rest of next week. Today: Mostly sunny and breezy , high near 65°F . Pollen level is rated "medium-high". Predicted air quality is good, AQI: 35 (for Simi Valley and Moorpark (courtesy of the VCAPCD)). Tonight: Mostly cloudy and breezy. 90 percent chance of rain, mainly after midnight, low around 54°F. Sunday: Mostly cloudy and breezy. 100 percent chance of rain in the morning, then a 60 percent chance of rain in the afternoon, high of about 62°F. Sunday night:Mostly clear. Cool and breezy. 20 percent chance of showers in the evening, low near 48°F. Monday: Sunny. Afternoon breezes, high around 63°F. Monday night: Mostly clear and cool, low of about 47°F. Tuesday: Sunny, high near 69°F. Tuesday night: Clear and cool, low around 49°F. Wednesday: Sunny, high of about 73°F. Wednesday night: Partly cloudy, low near 50°F. Thursday: Mostly sunny, high around 73°F. Thursday night: Mostly clear, low of about 50°F. Friday: Sunny, high near 76°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
Overnight showers possible as low pressure brings first rains in over a month
Cloudy skies and a deep marine layer loomed over Southern California on Tue ... Posted March 31, 2026, 10:34 PMOther Weather Information
National Weather Service
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