San Joaquin River - Fourteenmile Slough Entrance UV IndexUnited StatesCASan Joaquin CountySan Joaquin River - Fourteenmile Slough Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASan Joaquin River - Fourteenmile Slough Entrance UV forecast issued today at 12:18 pm. Next forecast at approx. 12:18 pm.Get an account to remove ads