San Diego, CA Weather: Dense Morning Fog and Warmer Days Ahead Through Monday

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SAN DIEGO, Calif. – A thick marine layer hugged the coastline before dawn, softening the glow of early headlights and muffling the sound of morning surf. Dense patchy fog stretched across interstates and neighborhoods from Oceanside to Chula Vista, creating slick roads and limited visibility for early commuters. Drivers heading along I-5, I-8, and I-15 should slow down and use low beams until the haze lifts later this morning.

According to the National Weather Service in San Diego, skies will clear quickly by midmorning, leading to a warm, sunny afternoon with highs in the low 70s to near 80°. The fog pattern will likely repeat Sunday morning before another surge of warm, dry air pushes inland. The next few days mark a brief late-fall warm-up, with Monday expected to top out near 82°—well above average for early November.

While the warmth is welcome for Veterans Day ceremonies and early holiday events, it also increases fire danger in the inland foothills and desert edges. Residents planning outdoor barbecues or hikes should stay weather-aware and avoid sparks near dry brush. Coastal residents can expect misty mornings and calm afternoons ideal for outdoor markets or beach walks, though cooler water temperatures could bring a crisp feel after sunset.

Models hint at a more unsettled pattern by late week, with increasing clouds and the first chance of light showers returning Thursday or Friday—a small taste of what could be California’s first true winter system later in the month.


Five-Day Forecast for San Diego, CA:
Sat: 72/59 – Patchy fog early; mostly sunny later.
Sun: 78/60 – Mostly sunny; light wind.
Mon: 82/61 – Warm and bright; elevated fire risk inland.
Tue (Veterans Day): 77/60 – Mostly sunny; comfortable for outdoor events.
Wed: 73/60 – Partly sunny; light coastal breeze.