San Diego, California Weather Alert: Cool Mornings, 70s Return by Sunday as Daylight Grows

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70 degrees cloudy
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California wakes up to crisp air and quiet streets as clear skies hold firm along the coast. Breath shows briefly before sunrise, and pavement feels cool underfoot, but change is already lining up.

According to the National Weather Service in San Diego, temperatures early this morning sit near the upper 40s at San Diego International Airport. Dry air, light winds, and steady high pressure will keep skies clear while daytime warmth builds through the weekend.

Across San Diego County, afternoons steadily trend warmer. Coastal communities warm into the mid to upper 60s Saturday, then push into the low 70s by Sunday and early next week. Inland valleys respond faster, with afternoons feeling comfortably mild under full sun. Nights stay cool, especially away from the coast, where lows dip into the low 40s and 50s.

Drivers heading out early should stay alert. Cold mornings can leave shaded roads slick from condensation, especially near canyons and open areas. While no rain or storms threaten travel, the winter chill still bites before sunrise. A light jacket remains essential through the morning commute.

Meteorologists are watching a broader national winter pattern, but Southern California stays protected for now. To be fair, this stretch feels calm compared to much of the country. Still, winter mornings linger, even as daylight slowly stretches longer toward the end of January.

Plan outdoor errands for midday warmth. Expect cool evenings for walks or dining outside. Conditions remain stable into early next week, with no alerts expected to escalate.

Five Day Weather Outlook for San Diego, California

  • Friday: Sunny, high near 64°F, calm winds
  • Saturday: Sunny, high near 68°F, cool morning
  • Sunday: Sunny, high near 71°F
  • Monday: Sunny, high near 72°F
  • Tuesday: Sunny, high near 73°F