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 yesterday at 3:18 pm. Next forecast at approx. 3:18 pm.Get WillyWeather+ to remove ads