Saint Johns River - Sulphur Springs Cove UV IndexUnited StatesFLClay CountySaint Johns River - Sulphur Springs Cove1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAASaint Johns River - Sulphur Springs Cove UV forecast issued today at 3:17 pm. Next forecast at approx. 3:17 pm.Get WillyWeather+ to remove ads