Cache Slough - Elkhorn Slough Entrance UV IndexUnited StatesCASolano CountyCache Slough - Elkhorn Slough Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAACache Slough - Elkhorn Slough Entrance UV forecast issued yesterday at 10:05 pm. Next forecast at approx. 10:05 pm.Get WillyWeather+ to remove ads