San Francisco residents can expect to continue bundling up for cool days ahead, with the National Weather Service San Francisco (NWS) reporting below-normal temperatures stretching into tomorrow, despite summer typically being a time for warmer weather. Yet, there's a little break in the grey, as forecasts promise a slight warm-up heading into the middle of the week.
Today's climate dealings feature a "slight chance of drizzle before 11am," then it's mostly sunny skies with temperatures peaking around 68 degrees, and winds may gust up to 22 mph. Tonight, those in San Francisco can expect partly cloudy skies and lows hovering around the mid-50s, according to the detailed forecast for the city. The marine layer is showing signs of wear, its influence on our city's weather is looking "quite unhealthy in terms of coverage and uniformity," as observed by the NWS. This could decrease stratus coverage by Tuesday morning, as drier air from shortwave H50 ridging mixes closer to the surface.
Looking ahead, the NWS predicts that the high pressure bubble to the east of the Sierra will keep conditions steady throughout the week. This weather narrative is grounded in "persistent troughing over the eastern Pacific," which is set to corral the high pressure back towards the Four Corners area come the weekend, per the NWS. San Franciscans shouldn't worry about HeatRisk issues, as they are not anticipated during the extended forecast period.
For those with nautical inclinations, the marine forecast is one to note. The northern breezes come with fresh gusts, especially in the outer waters—small craft advisories are in effect through Tuesday for several zones, suggesting choppy conditions that demand respect and caution. "Moderate to fresh northwesterly breezes with strong gusts will prevail," warns the NWS, ensuring sailors are well aware of the vigor these seas possess.
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