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 today at 6:47 pm. Next forecast at approx. 6:47 pm.Get an account to remove ads