Simi Valley Forecast Summary
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Data captured from a Peet Bros. Ultimeter 2100
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Simi Valley Forecast
Saturday, April 19, 2025
![]() Mostly clear skies and a warming trend are on tap today through Monday. A slow cooling trend will develop Tuesday through the remainder of the next week, with increasing night and morning low clouds and fog. Today: Sunny. Afternoon breezes , high near 72°F . Pollen level is rated "medium". Predicted air quality is good, AQI: 50 (for Simi Valley and Moorpark (courtesy of the VCAPCD)). Tonight: Clear and cool. Evening breezes, low around 49°F. Sunday: Sunny. Light breezes, high of about 74°F. Sunday night:Clear. Light breezes, low near 51°F. Monday: Sunny. Light breezes, high around 74°F. Monday night: Mostly clear, low of about 50°F. Tuesday: Sunny, high near 73°F. Tuesday night: Mostly cloudy, then patchy fog developing, low around 50°F. Wednesday: Patchy fog early, otherwise mostly sunny, high of about 69°F. Wednesday night: Mostly cloudy, then patchy fog developing. Cool, low near 49°F. Thursday: Patchy fog early, otherwise partly sunny, high around 66°F. Thursday night: Partly cloudy and cool, low of about 47°F. Friday: Mostly sunny, high near 66°F. Simi Valley forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.Recently in
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Cloud Stream: As seen near the Santa Susana pass, from the 118 freeway. Photo courtesy of Gabe Medrano.
Simi Valley
Weather News
Low pressure systems bring cool, cloudy weather late this week
Multiple weak low pressure systems brought cool, cloudy weather to the regi ... Posted April 19, 2025, 4:07 PMOther Weather Information
National Weather Service
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