San Francisco woke up today to cool, muggy air, with temperatures around 64°F, dewpoints in the upper 50s, and humidity near 80 percent as low clouds clung to the city. The result is a damp, sticky feel and the chance of patchy light drizzle in a few neighborhoods.
Afternoon Winds Pick Up
Highs are expected to reach about 72°F this afternoon before slipping back into the upper 60s by late day. Southwest winds will increase to around 8-14 mph with gusts near 20 mph. By Thursday and into the weekend, winds turn more consistently west-northwest and a bit stronger, with gusts into the low 20s. Small craft advisories are posted for parts of Monterey Bay and the central coast, so boaters can expect choppy nearshore waters, according to the National Weather Service San Francisco.
Foggy Mornings, Sunny Afternoons
A retooled marine layer has stacked a deck of stratus along the coast this morning, keeping many neighborhoods cool and gray while sunnier breaks develop farther inland. The cooler, muggy air moved in as the remnant circulation of Tropical Storm Elida lifted northward, pulling tropical moisture into the region. Low clouds may hang on at airports and along the waterfront into late morning before lifting around midday.
Weekend Outlook
The rest of the week looks drier and a bit less humid, with the classic night-and-morning low-cloud pattern, and a slight warmup inland by the weekend as the marine layer compresses.
How To Plan
Layers are your friend: bring a light windbreaker if you are headed to the waterfront this afternoon, and tie down or stash loose patio furniture near the bay before the breezes kick in. Boat owners should check the latest marine forecasts before leaving the dock.
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