Grays Harbor - Humptulips River Entrance UV IndexUnited StatesWAGrays Harbor CountyGrays Harbor - Humptulips River Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAGrays Harbor - Humptulips River Entrance UV forecast issued yesterday at 12:18 pm. Next forecast at approx. 12:18 pm.Get WillyWeather+ to remove ads