San Jose is waking up to clear skies and a crisp chill Friday morning, with Mineta San Jose (KSJC) reporting roughly 50°F before sunrise. It should be a classic mild Bay Area day, with mostly sunny skies and a warm afternoon high near 71°F, followed by a cooler night in the mid-40s and pockets of valley fog late Friday into Saturday morning. Light southwest winds will help keep things comfortable for outdoor lunch plans and afternoon errands.
According to the National Weather Service, a High Surf Advisory is in effect for Pacific Coast beaches from 4 a.m. Friday through 9 p.m. Saturday, calling for 17–22-foot breaking waves and an elevated risk of sneaker waves and strong rip currents. Small Craft Advisories are also posted for Monterey Bay and nearby coastal waters, and mariners are urged to skip nonessential trips until seas calm down. Stay off jetties, piers and rocks, and avoid entering the water while the advisory is active.
Afternoon Commute And Fog
Sunshine should make for a comfortable afternoon commute across the Santa Clara Valley, but early in the day could be a different story. Patchy valley fog is likely to form overnight and again Saturday morning. Friday night may bring areas of fog after 11 p.m., with most of it burning off by mid-morning Saturday as onshore breezes mix out the marine layer. Use low beams in fog and be ready for slower traffic where visibility drops.
Weekend Outlook
Most of the South Bay is expected to stay dry into the weekend, though a weak system could bring a 20–40% chance of light rain to the North Bay Sunday night and better odds for measurable showers Tuesday and Wednesday of next week. Temperatures are forecast to ease back into the mid-60s next week as the pattern cools. For the latest zone-by-zone timing and marine notices, check the NWS San Francisco.
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