Modesto City-County Airport-Harry Sham Field UV IndexUnited StatesCAStanislaus CountyModesto City-County Airport-Harry Sham Field1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAModesto City-County Airport-Harry Sham Field UV forecast issued yesterday at 10:05 pm. Next forecast at approx. 10:05 pm.Get WillyWeather+ to remove ads