San Diegans can expect a modest cooldown and some light showers as we head into the weekend. The National Weather Service in San Diego notes that the low pressure system making its way through the area brings scattered showers starting today and continuing into Saturday evening. This change in weather ushers in cooler temperatures—Friday will be the coolest day of the week, with the trend continuing through early weekend.
According to a National Weather Service San Diego forecast, there's a subtle chance for heavier rainfall locally on Friday, but overall, precipitation is expected to be light. As the closed low pressure system moves across Baja on Friday night and Saturday, scattered showers will accompany it over Southern California coastal waters before spreading inland. Despite the potential extended showers up to Saturday evening, rainfall amounts are anticipated to remain fairly light, with higher chances for one-half inch or more concentrated in the mountains and southern San Diego County.
Temperatures take a slight dip relative to average highs for this time of year. NWS reports that on Saturday, coastal and valley regions can expect highs mostly in the 60s, while the lower deserts, which will hover around their usual averages for late January, see temperatures in the lower to mid 70s. The snow level is set to rise above 8000 feet throughout today and into this evening, dropping down again to between 6500 and 7000 feet by late Friday night into Saturday.
Looking ahead to next week, a drier and warmer trend is in store. "High pressure aloft will be near the West Coast with drier and gradually warmer weather expected for southwestern California with periods of weak offshore flow," the NWS explains. High temperatures are expected to gain around 5 degrees from Sunday through Wednesday. By mid-week, coastal areas should see mid to upper 60s, valleys will bask in the upper 60s and lower 70s, and the lower deserts will sit comfortably in the lower to mid 70s. These conditions align with average temperatures for the deserts and are slightly warmer than average for coastal and valley areas.
Marine conditions are set to remain calm, with no hazardous weather anticipated through Monday. While the NWS isn't calling for Skywarn activation, they continue to encourage weather spotters to report significant weather conditions as the scattered showers make their way through the region.
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