San Diego residents can expect a weekend of weather that sticks close to seasonal norms. Temperatures are anticipated to remain in a near-average range Saturday and Sunday, with a slight cool down in the middle of next week, as detailed in a forecast by NWS San Diego.
More specifically, the Area Forecast Discussion from the National Weather Service San Diego notes that the weekend will usher in weak offshore flow with a combination of dry conditions and temperatures that are near or a tad above average; however, as an upper-level low moves over the area from the West, temperatures are expected to shift, cooling down past the seasonal norm into mid-week. There's also mention of weak offshore winds, particularly evident in the early morning hours, alongside overnight lows dipping into the 40s and lower 50s in valley locations.
As Monday rolls around, the forecast suggests a closed low hanging westernly before it journeys east come Tuesday, promising a drop in temperatures, which may fall 7 to 12 degrees below the usual for inland spots, and even around 15 degrees below average for some mountains. It's unlikely but not totally off the cards that rain will accompany the cooler weather, with current probabilities for measurable rainfall less than 10 percent and "the best chances for any accumulating rain are on the coastal mountain slopes," according to the NWS discussion.
Looking ahead towards the end of the week, things might perk up a little with a weak ridge forecasted to cause temperatures to climb slightly, "this will bring a few degrees of warming, weak offshore flow, and a shallower marine layer," as reported by the NWS San Diego. The weekend following seems uncertain, with predictions oscillating. Still, as of now, we're more likely to stay dry, as the unsettled weather should remain poised off the Pacific Northwest coastline.
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