NWS Forecast Office San Diego, CA

Forecast high temperatures for Sunday Dec 08, 2024. For the coastal areas: 63 to 70, western valleys and inland Orange County: 68 to 73, inland valleys: 68 to 73, mountains between 4000 ft and 7000 ft: 54 to 62, high desert: 65 to 68, low desert: 73 to 77.

Forecast high temperatures for Monday Dec 09, 2024. For the coastal areas: 62 to 68, western valleys and inland Orange County: 67 to 71, inland valleys: 66 to 72, mountains between 4000 ft and 7000 ft: 50 to 59, high desert: 60 to 63, low desert: 73 to 76.

A fire weather watch is in effect from Monday morning through Tuesday night. Moderate to locally strong Santa Ana winds will bring very dry air west of the mountains resulting in elevated to critical fire weather conditions. NE to E Santa Ana winds will weaken for all areas Wednesday and taper off by Thursday. Lowest relative humidity on Tuesday, down to 5-10% for most areas away from the coast.