Winds NNE at 10 to 15 mph. Clear skies. Nearby Weather Stations. A mostly clear sky. Simi Valley, CA Weather History star_ratehome. Low 49F. Low 46F. High 69F. Winds NNE at 5 to 10 mph. Low 48F. There are at least six different pollutants that we track that impact the cleanliness of air and your health. Live weather reports from Simi Valley weather stations and weather warnings that include risk of thunder, high UV index and forecast gales. Sunny. A mainly sunny sky. Clear skies. Sunny skies. High 76F. Day by day forecast. Winds NNE at 5 to 10 mph. A mainly sunny sky. © Copyright TWC Product and Technology LLC 2014, 2020. January is the coldest month, with temperatures averaging 11.5 °C | 52.7 °F. Winds NE at 10 to 15 mph. Low 47F. Simi Valley - Weather warnings issued 14-day forecast. Past Weather in Simi Valley, California, USA — Yesterday and Last 2 Weeks Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 80 °F. The warmest month of the year is August, with an average temperature of 22.3 °C | 72.1 °F. Winds NE at 5 to 10 mph. Want to know what the weather is now? High 72F. Sunny, with a high near 77. High 71F. Everything you need to be ready to step out prepared. Our current air quality index (AQI) provides information on the quality of air that you are breathing and its impact on your health. However, sensitive groups may experience minor to moderate symptoms from long-term exposure. No PWS. Clear skies. Our picks for Best Friday mattress deals for the best night's sleep, How to eat healthy during winter and holidays, AccuWeather School: Bugs walking on water isn’t a superhero power. High 77F. Low 49F. Winds N at 10 to 15 mph. High 64F. Winds NE at 5 to 10 mph. Low 46F. Forecast - Simi Valley. A few clouds. This is NOT an official weather report or forecast. Low 47F. Simi Valley Extended Forecast with high and low temperatures. Take control of your data. Weather warnings issued. Location: Simi Valley, CA. The air quality is generally acceptable for most individuals. 50° August is on average the WARMEST month. © 2020 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved. High 71F. Recently searched locations will be displayed if there is no search query. Sunny. Winds NE at 15 to 25 mph. Use up and down arrows to change selection. High around 70F. Get the forecast for today, tonight & tomorrow's weather for Simi Valley, CA. See the links below the 12-day Simi Valley weather forecast table for other cities and towns nearby along with weather conditions for local outdoor activities. Winds could gust as high as 25 mph. Be prepared with the most accurate 10-day forecast for Simi Valley, CA with highs, lows, chance of precipitation from The Weather Channel and Weather.com Winds NNE at 10 to 15 mph. °F. Sunshine and clouds mixed. Check out our current live radar and weather forecasts for Simi Valley, California to help plan your day Use escape to clear. Windy with a few clouds from time to time. Interactive weather map allows you to pan and zoom to get unmatched weather details in your local neighbourhood or half a world away from The Weather Channel and Weather.com Ice? Mainly sunny. Partly cloudy. NNE winds shifting to W at 10 to 15 mph. High 71F. Track storms, and stay in-the-know and prepared for what's coming. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! Simi Valley is connected to the nearby San Fernando Valley by the Santa Susana Pass in the extreme east of Simi Valley. zoom out. Tonight, A clear sky and a gentle breeze. Get AccuWeather alerts as they happen with our browser notifications. Winds NE at 10 to 20 mph. Windy with lots of sunshine. Generally sunny despite a few afternoon clouds. Partly cloudy. 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