San Diego County Stays Unseasonably Warm as Gradual Cooldown Begins This Week

Overview

• High pressure with weak to mild Santa Ana winds keeps temperatures 5–17°F above average through Monday.
• Inland highs run mid-70s to low 80s Monday, the coast upper 60s to mid-70s, mountains upper 50s to 60s, deserts mid-to-upper 70s.
• Gusty east-to-northeast winds persist in inland valleys and mountains with reports of 20–45 mph gusts in wind-prone spots.
• A cooling trend sets in Tuesday through Thursday as the ridge weakens, bringing highs closer to seasonal norms.
• Late week features more clouds and a slight, uncertain chance of showers, while brief patchy coastal fog remains possible during short-lived marine layer episodes.