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Last Map Update: Sat, Sep 19, 2026 at 4:28:15 pm PDT

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Map of forecast high temperatures for Southern California for today Sep 19, 2026. For the coastal areas: 75 to 80, western valleys and inland Orange County: 78 to 83, inland valleys: 79 to 89, mountains between 4000 ft and 7000 ft: 72 to 82, high desert: 84 to 90, low desert: 97 to 101.

Map of forecast high temperatures for Southern California for Sunday Sep 20, 2026. For the coastal areas: 75 to 81, western valleys and inland Orange County: 79 to 84, inland valleys: 85 to 90, mountains between 4000 ft and 7000 ft: 75 to 83, high desert: 86 to 91, low desert: 98 to 103.

Map of forecast high temperatures for Southern California for Monday Sep 21, 2026. For the coastal areas: 72 to 76, western valleys and inland Orange County: 75 to 79, inland valleys: 75 to 81, mountains between 4000 ft and 7000 ft: 67 to 79, high desert: 82 to 90, low desert: 95 to 100.