San Diego is waking up to a cloudy, sticky day, with the airport sitting around 73°F and a dew point that makes it feel warmer than the number on the thermometer. The shallow marine layer is expected to clear by midmorning, setting up a mostly sunny afternoon and a high near 81°F along the coast.
A Heat Advisory is in effect for coastal San Diego until 8 PM today, and forecasters warn that the combo of warm afternoons and warm nights could strain anyone without air conditioning. According to the National Weather Service San Diego, a Beach Hazards Statement is also up through Wednesday, because of elevated surf, strong rip currents and the potential for minor tidal overflow. The usual hot-weather playbook applies: drink plenty of fluids, avoid strenuous outdoor activity during peak heat, and check in on neighbors who are especially vulnerable.
Afternoon And The Week Ahead
Temperatures are expected to ease a bit through Wednesday before upper-level ridging builds again late in the week, bringing another heat bump by Friday and Saturday. Some inland valleys could climb into the upper 100s and approach 110°F by Saturday, making it an especially risky stretch for outdoor workers and anyone without reliable cooling. If you have to be outside, aim for morning or evening hours and keep water with you.
Beaches And Tides
Surf will stay elevated into midweek, with 3 to 6 foot surf and occasional 7 foot sets likely on south to southwest facing beaches, along with a high risk of rip currents. A longer period swell tied to Hurricane Genevieve may arrive later this week, and guidance points to the potential for much larger breakers and waves in the 9 to 11 foot range on Thursday and Friday. That would raise the odds of coastal overwash during evening high tides, which are expected to be near 6.0 to 6.5 feet. If you head to the beach, pay attention to lifeguard instructions and stay out of the water when rip currents are running strong.
Where To Cool Down
The City of San Diego designates libraries and recreation centers as official cooling locations during heat events, and the roster can change based on demand. For the latest list, check the City’s Places to Cool Down page at Places to Cool Down. Two central sites to keep in mind are the Central Library at 330 Park Blvd. and the Pacific Beach Recreation Center at 1405 Diamond Street. If you or someone you know does not have air conditioning, spending the hottest part of the day at a designated cooling site is a safer option.
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