San Joaquin River - Windmill Cove UV IndexUnited StatesCASan Joaquin CountySan Joaquin River - Windmill Cove1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASan Joaquin River - Windmill Cove UV forecast issued yesterday at 11:18 am. Next forecast at approx. 11:18 am.Get WillyWeather+ to remove ads