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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
Sunday, June 22, 2025
 Today's forecast is coming soon
Warmer temperatures are expected Sunday in the region, turning cooler Monday and Tuesday with increasing night and morning low clouds and fog. Today: Sunny and breezy , high near 79°F . Pollen level is rated "low-medium". Predicted air quality is moderate, AQI: 52 (for Simi Valley and Moorpark (courtesy of the VCAPCD)). Tonight: Clear. Light breezes, low around 55°F. Monday: Sunny. Light breezes, high of about 76°F. Monday night:Increasing clouds, then patchy fog developing. Light breezes, low near 54°F. Tuesday: Low clouds and fog early, becoming sunny. Light breezes, high around 74°F. Tuesday night: Mostly cloudy, then patchy fog developing, low of about 54°F. Wednesday: Low clouds and fog early, becoming sunny, high near 79°F. Wednesday night: Mostly cloudy, low around 56°F. Thursday: Mostly sunny and warm, high of about 81°F. Thursday night: Mostly cloudy, then patchy fog developing, low near 57°F. Friday: Low clouds and fog early, becoming sunny and warm, high around 83°F. Friday night: Mostly cloudy, then patchy fog developing, low of about 57°F. Saturday: Low clouds and fog early, becoming 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: 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
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