San Franciscans get a classic spring reset today, with a mostly sunny, seasonable setup on tap. Inland neighborhoods should top out near 68°F, while spots closer to the Bay and ocean hover in the mid‑50s to mid‑60s. Patchy valley fog may sneak into low‑lying areas around sunrise, but skies are expected to clear by late morning and stay bright through the afternoon. Light north‑northwest winds, around 2 to 9 mph, will keep the day comfortable for anything from coffee runs to park hangs.
Morning Fog And The Commute
Overnight moisture and light winds are teaming up to raise the odds of localized fog in the Santa Clara Valley and parts of some North Bay valleys at sunrise. That could mean a slower early commute in those corridors. The National Weather Service is reminding drivers to slow down and allow extra time whenever visibility drops, stick with low‑beam headlights, and leave more room for stopping. Road crews and transit operators often tighten things up during foggy starts, so it is smart to build in a little cushion if you have a morning appointment. National Weather Service
Afternoon Sun And Valley Breezes
By mid‑morning, most neighborhoods should break out into the sun, with inland areas warming into the upper 60s and cooler readings holding near the water. Diurnal valley breezes will stay light, generally 2 to 9 mph, so the afternoon should feel pleasant even away from the most sheltered corners.
Weekend Drizzle, Boaters And Next Week
Looking ahead, a weak trough is lining up a slight chance of light rain or drizzle for Saturday, April 25, into next Sunday, April 26. The chance of precipitation sits near 20%, with totals expected to be on the lighter, drizzly side rather than anything heavy. Out on the water, boaters should heed Small Craft Advisories for parts of Monterey Bay and nearby offshore waters from this afternoon into tonight, with some zones holding under advisory through Friday morning. Conditions could turn choppy and hazardous for smaller vessels. After that, a modest warming trend starts next Monday, April 27, nudging interior highs back toward the low to mid‑70s by midweek.
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