San Diego's Weather Forecast for March 17, 2023: Warming through Saturday, more heavy rain next week

Posted at 5:09 AM, Mar 17, 2023
and last updated 2023-03-21 02:07:12-04

Partly cloudy to mostly clear tonight. We will see areas of patchy fog tonight into Saturday along the coast and valleys.

Saturday will be the best day of the week. It will warmer tomorrow with temperatures back to near average.

A weak system will bring a slight chance of drizzle to a few light showers late Sunday into early Monday. Then another storm will follow.

We expect widespread rain Tuesday into Wednesday. We may see rain develop as early as Monday night, but Tuesday and Wednesday are looking like the most impacted days from active weather.

Along with heavy rain we'll see the potential for flooding, and gusty winds could downed trees and powerlines. It will get much colder by Wednesday, trending 10 to 15 degrees below normal.

Snow levels will start near 6,000 ft, dropping to 5, 000 feet on Tuesday, and potentially lowering to 4,000 feet by Wednesday night, areas like Julian, Ranchita, Mt. Laguna, Palomar Mountain and Lookout Mountain get ready for more snow.

Preliminary forecast totals are expected to range between 1 and 3 inches with local amounts in the mountains of 4+ inches while the deserts are expected to pick up .25 to .50 inches.

We dry out on Thursday though the cool air lingers with another chance of lighter showers by the weekend.

Spring begins on Monday. Spring equinox happens at 2:24pm March 20th.

Friday's Highs: 
Coast: 64-68°
Inland: 66-77°
Mountains: 52-66°
Deserts: 74-78°

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