As Southern California weather takes a turn, the National Weather Service San Diego updates the cooling trends and upcoming warming ahead. According to their latest update, folks in the coastal and valley regions can expect cooling temperatures due to a low-pressure system moving inland. The marine layer is deepening, meaning low coastal clouds and fog will likely spread into portions of the western valleys by tonight and Wednesday morning. NWS San Diego.
Patchy low clouds and fog have already appeared in the San Diego County coastal areas. Visibility has been briefly dense in spots like Carlsbad. However, the marine layer is anticipated to decrease in depth from Wednesday night into Thursday morning, and the low clouds are not expected to extend as far inland, with the lower level flow starting to trend weakly offshore. Meanwhile, high temperatures in places like the lower deserts will be warmer than Monday, climbing to around 80, with other areas being a few degrees cooler Area Forecast Discussion, NWS San Diego.
Looking forward to the end of the week, residents should prepare to experience a notable warm-up. High pressure aloft coupled with weak offshore flow is set to usher in drying and warming conditions for Friday and Saturday. You can expect inland area temperatures to soar to 10 to locally 15 degrees above average. Valleys are predicted to see highs in the mid-70s to mid-80s, and the lower deserts should hover at around 80. Highs Today, NWS San Diego.
Aviators, the skies show a mix of conditions with areas of low clouds and fog along the coast persisting until around 5 PM, translating to intermittent ceilings of 400-600 feet mean sea level and visibility as low as zero to five miles. As for the sea-goers, the marine forecast suggests smooth sailing with no hazardous conditions expected through Saturday. Beach visitors should take note of the high tides, around 6 feet, happening at 9:12 AM today, which could cause minor tidal overflow in the lowest coastal areas. A Beach Hazard Statement remains in effect until noon PST today. Area Forecast Discussion, NWS San Diego.
