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ABC 10News Pinpoint Weather for Thursday, October 12, 2023: Autumn-like before a big warm-up

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SAN DIEGO (KGTV) — Soak up these autumn-like conditions because the heat will take hold and hang on tight through the rest of October.

The morning marine layer cleared quickly, allowing for a mostly sunny day across the county. The return of easterly winds targeted the valleys and foothills, allowing for slightly warmer and drier conditions. This morning, winds peaked around 30 - 40 miles per hour for the mountain communities and will continue weakening as we inch closer to sunset.

Onshore flow will rebound Friday through Saturday, with the marine layer extending towards the inland communities.

Then, a dome of warm air and surface Santa Ana winds dominate the latter part of the weekend into early next week. By Sunday, temperatures soar in the 90s and low 100s inland towards the deserts. Coastal temperatures will climb above seasonal but shouldn't break the 90-degree threshold.

The outlook for temperatures and rain across San Diego for the remainder of October is warm and dry. The good news is we had an impressive water year last year, and with the help of Tropical Storm Hilary, the vegetation is moister than average.

Friday's Highs:
Coast: 70-77
Inland: 77-82
Mountains: 70-77
Deserts: 86-90

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