Date Weather Pre. for Murrieta, California No precipitation throughout the week. Know what's coming with AccuWeather's extended daily forecasts for Murrieta, CA. NOAA National Weather Service National Weather Service. Murrieta, California is located in the Temecula Valley, in southwestern Riverside County, at the junctions of the Interstate 15 and 215 highways. A strong storm system will shift from the Ohio Valley to the Northeast U.S. through Saturday with snow and ice accumulating along much of this storm track. August is the hottest month for Murrieta with an average high temperature of 96.2°, which ranks it as warmer than most places in California. Murrieta, CA - Weather forecast from Theweather.com. Current conditions at SANTA ROSA PLATEAU (SRUC1) Lat: 33.518103°NLon: 117.229061°WElev: 1987ft. New Year Hazardous Weather in the East and Northwest. Low; Mon 1/4: Sunshine and patchy clouds: 66°F: 39°F: Tue 1/5 Hi. Hi/Low, RealFeel®, precip, radar, & everything you need ⦠Be prepared with the most accurate 10-day forecast for Murrieta, CA with highs, lows, chance of precipitation from The Weather Channel and Weather.com In Murrieta, there are 5 comfortable months with high temperatures in the range of 70-85°. Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for Murrieta, California Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. January 4, 2021: Murrieta weather forecast for now and the week ahead â Clear for the hour. Up to 90 days of daily highs, lows, and precipitation chances. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Murrieta ⦠Murrieta Weather Forecasts. The Murrieta weather pages are a service of WeatherCurrents. Want to know what the weather is now? Check out our current live radar and weather forecasts for Murrieta, California to help plan your day Get the forecast for today, tonight & tomorrow's weather for Murrieta, CA. Clear throughout the day. California ca, Weather 15 Day. The most pleasant months of the year for Murrieta are April, May and November.