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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, October 13, 2026
Moderate to damaging coastal flooding will likely continue through at least Tuesday. Periods of light to moderate rain and a slight chance of thunderstorms will persist through Monday with below normal temperatures. Beginning Tuesday and continuing through the end of the week, weak to moderate offshore flow will bring warm and dry conditions to the area. Today: Sunny. Light breezes , high near 77°F . Pollen level is rated "medium". Predicted air quality is good, AQI: 38 (for Simi Valley and Moorpark (courtesy of the VCAPCD)). Tonight: Clear. Offshore breezes, low around 56°F. Wednesday: Sunny and warm. Offshore breezes, high of about 81°F. Wednesday night:Clear. Offshore breezes, low near 57°F. Thursday: Sunny and warm. Offshore breezes, high around 85°F. Thursday night: Clear. Offshore breezes, low of about 66°F. Friday: Sunny and warm. Offshore winds, high near 87°F. Friday night: Clear and breezy, low around 67°F. Saturday: Sunny and warm, high of about 87°F. Saturday night: Clear, low near 62°F. Sunday: Sunny and warm, high around 85°F. Sunday night: Clear, low of about 60°F. Monday: Sunny and warm, high near 81°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
Remnants of Hurricane Rachel bring widespread rain and wind over weekend
Remnants from former Hurricane Rachel in the Pacific impacted Southern Cali ... Posted October 11, 2026, 9:35 PMOther Weather Information
National Weather Service
Other Simi Valley Weather Forecasts
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