San Diego weather November 19, 2020 7:19 am The Microclimates of San Diego County, Explained San Diego County’s 10-day forecast spans four unique locations: the coast, inland valleys, mountains and deserts. NBC 7 meteorologist Sheena Parveen explains how each microclimate works, and why. US & World Videos 3:34 Is budget that San Diego City Council passed veto-proof? 2:57 Political battle brews over deployment of troops at LA demonstrations 2:48 Free ‘Parks After Dark' kids program returns across San Diego for fourth year 3:08 Salk Institute researchers make breakthrough discovery in breast cancer treatment 3:14 Thousands attend ‘Pet-tacular' opening day at the San Diego County Fair