San Diegans are witnessing a slight shift in weather as a gradual cooling trend sets in, one that is expected to continue into the middle of next week. According to the National Weather Service San Diego, high temperatures for coastal and valley regions will be 5 to 10 degrees below average starting next Wednesday, whereas the deserts should experience highs slightly above average. The transition will also bring night and morning coastal low clouds, which may spread farther into the valleys around the same timeframe.
The cooling sensation will set the tone for the weekend, with the marine layer deepening and low clouds covering the coastal waters, snaking their way through the Orange County coastal plain into the western Inland Empire and some western valleys in San Diego County. This pattern is likely to persist, bringing fog into coastal areas and potentially the western valleys tonight into the weekend. These conditions will be accompanied by westward winds gusting 20-30 kts after 20Z, leading to MOD UDDFS over and east of the mountains, as reported by the NWS San Diego.
Today, temperature highs remained within striking distance of previous days for most local areas, and notably warmer in the mountains, deserts, and inland valleys. High temperatures for today for the coast and valleys from around 70 near the coast to the mid-80s to lower 90s for the inland valleys. Mountains residents at elevations between 4500 to 7000 feet enjoyed the 70s to mid 80s, while the lower deserts faced scorching highs between 102 to 107 degrees.
By Friday, inland areas can expect a slight dip in the mercury, with temperatures a few degrees cooler than Thursday. High temperatures for the coast and valleys are forecasted to range from the lower 70s near the coast to the mid-80s to lower 90s for the inland valleys, and the Lucerne Valleys will see temperatures between the mid-80s and lower 90s. The lower deserts are predicted to experience a range of 100 to 105 degrees. This mild respite is part of a weather pattern that suggests some light precipitation around Wednesday and Thursday of next week as a low-pressure system tracks inland along the West Coast, as detailed by the NWS San Diego.
