Cooler for the deserts into the mountains and warmer for the coast and valleys with the deserts around 5 degrees cooler than Thursday and the valleys 5 to 10 degrees warmer. High temperatures today for coastal areas: 69 to 74, western valleys and inland Orange County: 73 to 77, inland valleys: 69 to 76, mountains between 4000 ft and 7000 ft: 51 to 62, high desert: 65 to 69, low desert: 77 to 81.