NWS Forecast Office San Diego, CA

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Last Map Update: Fri, May 9, 2025 at 12:18:44 am PDT

Watches, Warnings & Advisories

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Heat Advisory

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Highs Friday

Highs Saturday

Highs Sunday

Around 4 to 8 degrees warmer than Thursday, as much as 12 to 18 degrees above average for the inland valleys. High temperatures for Friday for the coastal areas: 74 to 83, western valleys and inland Orange County: 83 to 90, inland valleys: 86 to 95, mountains between 4000 feet and 7000 feet: 73 to 82, high desert: 88 to 92, low desert: 100 to 105.

Extreme Heat possible for the lower deserts and inland empire with the valleys 15 to 20 degrees above average. High temperatures for Saturday for the coastal areas: 77 to 88, western valleys and inland Orange County: 87 to 95, inland valleys: 90 to 98, mountains between 4000 feet and 7000 feet: 76 to 85, high desert: 92 to 96, low desert: 103 to 108.

Around 5 to 10 degrees cooler than Saturday for the coast and valleys with only slight cooling for the lower deserts. High temperatures for Sunday for the coastal areas: 71 to 80, western valleys and inland Orange County: 79 to 86, inland valleys: 82 to 90, mountains between 4000 feet and 7000 feet: 72 to 82, high desert: 87 to 94, low desert: 100 to 105.

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