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Simi Valley Forecast Summary
Currently in Simi Valley
Temperature, Humidity, Wind & Pressure
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Data captured from a Peet Bros. Ultimeter 2100
Local Weather Roundup
Simi Valley Forecast
Tuesday, June 17, 2025
 Forecast not current
High pressure over the region will maintain very warm temperatures through much of the coming week, especially away from the coast and across interior portions of the area. A gradual cooling trend will develop late in the week. Today: Sunny and very warm. Light breezes , high near 92°F . Pollen level is rated "low-medium". Predicted air quality is unhealthy for sensitive groups, AQI: 107 (for Simi Valley and Moorpark (courtesy of the VCAPCD)). Tonight: Clear. Light breezes, low around 59°F. Wednesday: Sunny and warm. Light breezes, high of about 89°F. Wednesday night:Clear. Light breezes, low near 58°F. Thursday: Sunny and warm, high around 82°F. Thursday night: Mostly cloudy, then patchy fog developing, low of about 57°F. Friday: Low clouds and fog early, becoming sunny and warm, high near 80°F. Friday night: Mostly cloudy, then patchy fog developing, low around 56°F. Saturday: Low clouds and fog early, becoming sunny, high of about 76°F. Saturday night: Clear, low near 55°F. Sunday: Sunny and warm, high around 80°F. Sunday night: Mostly cloudy, then patchy fog developing, low of about 56°F. Monday: Low clouds and fog early, becoming sunny, high near 79°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: June 3rd, 2025
An upper level low moving over the region from Baja California brought scat ... Posted June 4, 2025, 9:48 PMOther Weather Information
National Weather Service
Other Simi Valley Weather Forecasts
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