Brace for a cooler wave and gusty conditions as the National Weather Service (NWS) in San Diego forecasts a windy Wednesday afternoon and evening, with peak wind gusts hitting between 35 and 45 mph, particularly on desert mountain slopes and into the deserts. According to NWS San Diego, you can expect temperatures in the valleys to be 4 to 8 degrees cooler than on Tuesday.
As we head into Thursday, coastal and valley regions can look forward to a gradual warm-up, while the mountains and deserts will continue to feel the slight chill. "The marine layer will become shallower for Thursday and Friday with night and morning coastal low clouds not as extensive and not spreading as far into the valleys," the Area Forecast Discussion of the NWS outlined this soothing trend. However, it's Friday that's pegged for the 'greatest warming' for those inland valleys creeping onto the lower coastal mountain slopes. High temperatures on Friday could soar by 5 to 10 degrees, making for a noticeably warmer end to the working week.
Over the weekend, high pressure to the southwest is expected to push temperatures up a notch. Forecasters predict another degree or two on Saturday and another few degrees on Sunday for the coast and valleys, with inland valley temperatures potentially surging 8 to 12 degrees above the average, climbing into the 80s. The low clouds of the marine layer should linger close to the coastline, steering clear of the valleys.
Looking into next week, a low-pressure system lounging west of California is slated to drift closer, setting off a cooling trend and teasing the potential for precipitation as the week progresses. "For Monday and Tuesday, a low-pressure system well off the California coast will move slowly toward the coast," the NWS forecasts, predicting increasing chances of precipitation by Thursday. These November showers, however, remain shrouded in a question mark, as long-range projections hint at varying scenarios. From midday Thursday to midday Friday, mountains in San Bernardino County brace for a 50 to 60 percent probability of an inch or more downpour, according to uncalibrated ECMWF ensemble output.
Meanwhile, mariners can reap the benefits of the steady seas with no hazardous marine conditions expected through Sunday. On the other hand, beachgoers should note the forecasted increase in surf starting Thursday, peaking at night, and diminishing on Friday. We're talking 3-6 feet swells, especially hitting west-facing beaches, alongside very high tides that will spike the risk of minor tidal overflow during the latter part of the week.
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