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San Diego's Weather Forecast for January 18, 2023: Cold tonight, with light rain late Thursday

Posted at 5:06 AM, Jan 18, 2023
and last updated 2023-01-18 20:39:04-05

It's been a beautiful day, despite chilly temperatures. Another cold night is expected tonight, with possible light rain showers Thursday afternoon and evening.

Thursday will start out partly cloudy, with increasing clouds after lunch time. Light showers will be possible between 2pm and 9pm. Accumulations will average under a tenth of an inch. The winds will pick up out of the west, gusts could range between 20 to 25 mphs. The winds will reach 30 to 50 mph in the mountains and deserts.

In the wake of the storm, cold temperatures will bring back the chance for frost early morning Friday and Saturday. Day time highs will become warmer as easterly develop, Santa Ana winds return Friday and Saturday. Then again early next week.

For the coast, higher waves are expected with King Tides this weekend. High tide will be in the morning with waves of around 7 feet each morning. The timeframe will be between 7 and 10am Friday through Monday. Some of the concerns include the chance for minor coastal flooding of low-lying areas, while extreme low tide could impact boats in the harbors and navigation.

Tides at La Jolla from the National Weather Service:

  • Friday: High 6.73 ft at 7:15 AM. Low -1.84 ft at 2:39 PM.
  • Saturday: High 6.96 ft at 8:03 AM. Low -1.99 ft at 3:21 PM.
  • Sunday: High 6.93 ft at 8:50 AM. Low -1.89 ft at 4:02 PM.
  • Monday: High 6.61 ft at 9:37 AM. Low -1.55 ft at 4:42 PM.

Thursday's Highs: 
Coast: 57-60°
Inland: 54-61°
Mountains: 45-52°
Deserts: 62-67°

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