SAN DIEGO (KGTV) — It was another gorgeous day across San Diego county with autumn-like conditions and daytime highs near seasonal but take advantage because a warm-up will spook our forecast this weekend.
Onshore flow will slowly weaken, allowing Santa Ana conditions to influence the foothill and inland valleys. The inland communities will be slightly warmer and dry on Thursday. The marine layer will keep coastal highs moderate in the mid to low 70s.
On Friday, onshore flow returns, providing a deeper marine layer, and we'll stay nice through Saturday.
A dome of warm air off the coast of Baja takes hold on Sunday, and daytime highs will soar close to the 90s inland and near 80 along the coast, up to 10 degrees warmer than where we should be. The heat peaks Monday then we'll have a slow crawl to cooling middle of next week.
Thursday's Highs:
Coast: 71-75
Inland: 75-82
Mountains: 70-76
Deserts: 84-87
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