San Francisco rolled in today under a cool, mostly cloudy sky, with mid‑50s temperatures and a marine layer glued to the shoreline. That gray blanket is expected to thin out by mid to late morning, giving way to a sunny, breezy afternoon with highs landing in the low 60s.
Afternoon Sun, Foggy Mornings
The marine layer should burn off by mid‑morning, leaving most neighborhoods sunny by midday, with a high near 63°F. West‑southwest winds will run around 5 to 12 mph, with shoreline spots staying a bit cooler while inland areas warm more quickly. According to the National Weather Service, low clouds are expected to return overnight.
Memorial Day Into Tuesday
Memorial Day is forecast to be partly sunny with a high near 62°F and west‑southwest winds of 6 to 14 mph, with gusts up to 21 mph in exposed spots. A stronger system arrives Tuesday, May 26, bringing northerly winds that could gust 30 to 40 mph along the coast, over ridgelines, and through gaps, creating conditions that may make the Bay choppy and hazardous for small craft. Forecasters also expect a drying, warming trend by mid‑week, and as of this morning, there are no watches or warnings in effect for the city. See the National Weather Service forecast discussion.
What To Know For Plans
Plan on layers for cool mornings and a lighter shirt for the sunnier afternoons, and bring a windbreaker if you are headed to the shoreline or out on the water. If you are boating or taking a ferry, check marine forecasts for Tuesday, and make sure any tents or loose decorations for outdoor Memorial Day gatherings are secured before the winds pick up.
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