Above normal temperatures will create widespread moderate HeatRisk below 6000 feet elevation. Map of forecast high temperatures for Southern California for Tuesday Jul 14, 2026. For the coastal areas: 75 to 85, western valleys and inland Orange County: 84 to 93, inland valleys: 91 to 101, mountains between 4000 ft and 7000 ft: 80 to 90, high desert: 95 to 102, low desert: 106 to 110.