San Diego woke up mostly clear and cool this morning, with San Diego International reporting about 57°F. That calm, crisp start won't last all week. A warm, partly sunny afternoon is lined up for today, with inland highs near 73°F, but a low-pressure system is set to push cooler air and onshore breezes into the county tomorrow through midweek. That same system brings a slight chance of rain late Tuesday into early Wednesday and gusty winds over higher terrain, so it is worth planning ahead.
Sunday: Soak Up The Sun While It Lasts
Today will be partly sunny with a high near 73°F and west winds between 0 and 10 mph. Coastal neighborhoods can expect patchy low clouds early, which should clear by mid-morning. Tonight, mostly cloudy skies return along the coast, and overnight lows will dip into the mid-50s, a setup that mirrors guidance from the National Weather Service in San Diego.
Midweek: Breezy Shift And Spotty Showers
By tomorrow, more widespread cooling moves in as the low-pressure system sinks toward the coast, and the marine layer is expected to deepen tomorrow morning. The best chance of measurable showers arrives from Tuesday afternoon into Wednesday morning. On Tuesday, coastal areas have about a 40% chance of showers, with lower odds inland, and any rainfall totals are expected to be light if showers develop. Forecasters are also flagging gusty southwest to west winds Tuesday afternoon and night, with gusts up to 55 mph possible along desert mountain slopes and through the passes.
Impacts And Tips
Commuters should keep an eye out for patchy coastal fog during early mornings and for slick roads if showers materialize Tuesday night, and giving yourself a little extra time for those early trips would not hurt. Outdoor plans in the backcountry and desert on Tuesday may need adjusting, since strong gusts can make ridge-top hiking and exposed viewpoints hazardous. For now, no watches or warnings are in effect, and marine conditions are not expected to be hazardous through Tuesday, although elevated onshore gusts are possible by midweek.
Bottom Line
Enjoy the milder, mostly sunny day and bring a jacket for the cool evenings. Before heading into the mountains or desert on Tuesday, check the National Weather Service San Diego for the latest updates.
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