Residents of the Central Coast can expect a relatively calm start to the week on Monday, Sept. 21. Despite a low‑level cloud deck moving in from the north, measurable rain is unlikely, with only a few isolated drops reported in the foothills and mountains.

Morning conditions

The incoming low‑pressure system will keep the sky overcast, and a marine layer will produce patchy fog along the shoreline early Monday. Temperatures will dip into the 50s and low 60s overnight, so early commuters should allow extra time for slower traffic and reduced visibility.

Daytime outlook

As the day progresses, cloud cover will thin, allowing sunshine to break through by mid‑afternoon. Highs will remain mild, ranging from the mid‑60s inland to the low 70s along the coast. The slight chance of a sprinkle will stay in play, but any precipitation will be light and scattered.

Looking ahead

Mid‑week brings a shift as high pressure builds behind the current West Coast trough. Tuesday will see a modest warm‑up, with Wednesday bringing noticeably warmer inland temperatures that could climb into the 90s. Coastal areas will stay cooler, with lingering fog in the early mornings, but daytime highs will still be comfortable.

By the latter part of the work week, another low‑pressure system is expected to move south from the Pacific, bringing cooler weather as September draws to a close. Additionally, the Eastern Pacific tropical storm and hurricane season remains active. Forecast models suggest a potential system could develop near the Baja coast, possibly generating high surf and a rain threat for the weekend or early next week. Residents should stay tuned for updates as the situation evolves.

Original reporting: KEYT (Ventura/Santa Barbara) — read the source article.