SAN DIEGO (KGTV) — Expect another chilly night across San Diego County as the lack of marine layer clouds allows overnight lows to hover in the low 60s and 50s, cooler in the mountains.
We have about one more day of near-seasonal conditions until noticeable warming takes hold mid-week through the weekend. Daytime highs will hover up to 12 degrees above our 30-year normal by Thursday.
As a dome of warm air sits over California, daytime highs will continue climbing through the weekend, with the heat peaking on Friday. That's when coastal communities soar into the mid-80s and mid-90s inland.
As we start October, we're officially entering Santa Ana season, and we'll feel those conditions towards the end of the week. High pressure will settle over San Diego, and easterly flow will gradually increase, meaning the air will become windy, dry, and warm as it approaches the west side of the mountains. Expect elevated fire danger for the western foothills, valleys, and parts of the coast.
High pressure weakens early next week, and we'll gradually start to cool down, with temperatures back to near average.
Tuesday's Highs:
Coast: 71-79°
Inland: 78-83°
Mountains: 71-78°
Deserts: 87-89°
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