San Diego woke up under a classic May gray sky today with a deck of low clouds and cool air parked over the city. San Diego International (KSAN) reported cloudy skies and about 63°F at 5:40 AM PDT. Highs are expected to climb to near 70°F today with northwest breezes around 5 to 10 mph, so inland neighborhoods should feel the warmest while the coast likely stays gray well into the afternoon. The marine layer is set to refill overnight, which means fog and low clouds are on repeat for coastal and valley spots each night and morning this week.
Morning Fog And The Commute
Those low clouds filling the coastal basin are likely to knock down visibility near the shoreline and in some western valleys early in the day. Inland valleys should clear by mid to late morning, while beaches and bayside neighborhoods may see clouds hang around into the afternoon. If you are heading out for a morning drive or catching a flight, it is worth giving yourself a little extra time. This whole pattern is driven by the marine layer, according to the National Weather Service San Diego.
Memorial Day Forecast
Memorial Day looks cool by local standards, with a high near 69°F and northwest winds of 5 to 10 mph. Some spots could see gusts up to 20 mph during the afternoon. Clouds are expected in the morning with only limited clearing at the immediate coast, while inland neighborhoods warm into the upper 60s.
Midweek Cool Down And Patchy Drizzle
An upper-level low is expected to dive south into the region from Tuesday, May 26, through Thursday, May 28, bringing a more noticeable cool down inland and a thicker marine layer. That thicker layer could squeeze out patchy drizzle or light rain during the nights and mornings. The National Weather Service expects highs to run several degrees below normal inland and notes only a small chance of measurable accumulation, about a 10% probability of less than a tenth of an inch. The main impacts look to be damp mornings and stubborn cloud cover. Mountain and desert areas should be ready for breezy to gusty onshore winds Tuesday and Wednesday, with gusts commonly in the 35 to 45 mph range and isolated gusts up to 60 mph through the passes, per the National Weather Service San Diego.
What To Pack
Plan on a light jacket for mornings at the shore and an extra layer for evening barbecues, since the coast will feel several degrees cooler than inland spots. If your plans take you to the mountains or desert midweek, secure loose outdoor items and be ready for gusty winds that can make hiking and canyon travel unpleasant. Check updated forecasts before you hit the road, as the trough is expected to lift out late next week, allowing temperatures to moderate again.
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