San Diego rolled in today under a blanket of low clouds and a cool 66°F at the airport. The gray start will not last. Forecasters expect the clouds to thin by late morning, giving way to mostly sunny skies and an afternoon high near 77°F, helped along by a light northwest breeze that will pick up later in the day.
Morning Marine Layer, Sunny Afternoons
A shallow marine layer, roughly 1,500 feet deep, is keeping the immediate coast cool and gloomy into the morning. Low clouds are not expected to push more than 10 to 15 miles inland. By mid to late morning, that cloud deck should burn off, setting up sunnier afternoons at the beaches and across inland neighborhoods. For more on the weekend marine layer pattern and holiday setup.
Afternoon Winds Pick Up
Northwest winds this afternoon should run about 5 to 10 mph, with gusts near 20 mph along the coast and stronger gusts inland and along ridgelines. Gusts could reach around 25 mph by tomorrow. Mariners and beachgoers can expect a breezier feel later in the day, although forecasters do not expect hazardous marine conditions through Thursday. A few very light showers are possible this morning over the San Bernardino Mountains, but measurable rain is not likely in the city.
Week Ahead: Inland Warming And Heat Risk
High pressure will build gradually through midweek, setting up a slow warm-up. Coastal highs should hold in the mid-70s, while inland valleys climb into the 80s and low 90s, and the deserts turn hotter. Minor to moderate HeatRisk is expected to return for inland areas and deserts next week, so it is a good idea to plan strenuous outdoor work or exercise for the cooler morning or evening hours. The full forecast discussion is available from the National Weather Service San Diego.
What This Means For Plans
Coastal residents will want a light jacket for those gray, cool morning walks, then sunglasses for the sunnier, breezier afternoons. Inland residents should prep for a noticeable warm-up as the week goes on. If you are heading to the waterfront, keep an eye on evening fireworks smoke, and check the National Weather Service San Diego before making plans along the coast or out in the deserts.
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