Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. Be prepared with the most accurate 10-day forecast for Irvine, CA, United States with highs, lows, chance of precipitation from The Weather Channel and Weather.com. Irvine, CA Weather Forecast | AccuWeather Current Weather 5:12 PM 81° F RealFeel® 83° RealFeel Shade™ 83° Air Quality Poor Wind WSW 5 mph Wind Gusts 8 mph Sunny More Details Current Air.