San Diego

San Diego's 'May Gray' to Continue with Cooler Temps Inland, NWS Reports

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Published on May 17, 2024
San Diego's 'May Gray' to Continue with Cooler Temps Inland, NWS ReportsSource: Unsplash

The weather in San Diego is sticking to its May playbook, folks. We're looking at a stretch of days featuring the region's finest "May Gray," as the marine layer hugs the coastline and bleeds into the valleys each morning, keeping a lid on temps and creating a touch of déjà vu each day. According to the National Weather Service San Diego CA, there's not much change on the thermometer for coastal and valley areas through Saturday, but the inland deserts can expect a slight cooling, so if you plan on baking out there, maybe save it for early next week.

For the numbers crunchers out there, coastal temps will be loitering in the 60s, while inland Orange County and the San Diego County valleys will see the upper 60s to mid 70s through Friday. The Inland Empire will enjoy mid 70s to lower 80s, whereas the Apple and Lucerne Valleys will experience 80s. Those braving the lower deserts will face mid-90s to around 100, and for mountain goers, elevations from 4500 to 7000 feet will serve up a chillier upper 60s to mid 70s. Cooling for most areas is expected for Sunday and Monday, then slightly warmer for mid next week. But don't get too excited about the change— we're only talking about a few degrees here or there, per the NWS forecast.

In the words of our esteemed weather overseers at the NWS via their Area Forecast Discussion, "A weak upper level low pressure system well off the northern Baja coast on Saturday will move eastward and move inland through southern California and northern Baja some time around Monday." What this means for all you sun-chasers is that you're about to get a cool down with temperatures dropping another 5 or so degrees cooler for inland areas by the start of the workweek. Don't adjust your device, because it's just Old Man Weather doing his spring cleaning.

And it’s not just about the temperatures. The marine layer is thick enough for some overachieving "patchy drizzle" in inland Orange County, and in the western valleys of San Diego County. Aviation buffs and those of you with a plane to catch might want to note that visibility could be an issue near the foothills during these misty mornings. And if you're heading to the coast this weekend, don’t expect the fog to lift much, as afternoon clearing is expected to be "limited." It's a perfect excuse to laze around a bit longer, or so it goes in sunny SoCal, where even the gray days have a silver lining.

Last but definitely not least, sailors and leisure boaters can rest easy. The marine outlook is smooth sailing – no hazardous conditions are forecasted through Monday. And for those of you weather spotters always on the lookout, the NWS says "Skywarn activation is not requested," but keep those reports coming. Significant weather conditions can be a highlight in these tales of persistent gray.