San Jose is waking up to clear skies and a crisp start today, with temperatures hovering near 52°F at Mineta San José International Airport. That cool calm will not last long. Inland neighborhoods are on track to climb into the mid 80s this afternoon, while the coast and bayfront hang onto much cooler air well into the evening. Low clouds and patchy fog clinging to the shoreline this morning should peel back by mid to late morning for most inland spots. By afternoon, expect the usual breezes to kick through hill gaps and exposed ridgelines.
Afternoon Heat Inland, Chill Along the Coast
Sun is set to dominate, pushing highs to roughly 82 to 85°F across central and eastern San Jose, with the warmest stretch landing between about 1 PM and 4 PM. Closer to the bay and right along the coast, conditions will tell a different story. Bayshore and immediate coastal areas are expected to lag by 15 to 25 degrees, topping out in the 60s, while the open coast holds in the upper 50s to low 60s. Rain is not in the cards through the holiday weekend. The National Weather Service notes that the region will cool back toward more typical late May temperatures over the weekend.
Afternoon Winds Pick Up
Onshore winds that build through the day will strengthen this afternoon and early evening, with the strongest gusts funneled through favored gaps and passes, and those corridors can see the biggest bursts. Elsewhere, winds should stay light to moderate, but cyclists and drivers of high-profile vehicles will want to plan for gusty stretches on more exposed routes. Once the sun dips, temperatures will fall quickly as the breeze helps pull in cooler air.
Fire Weather and Safety Tips
Warm, dry afternoons across the interior mean elevated fire weather concerns in brushy hill terrain, so avoid spark-producing activities like mowing dry grass and make sure vehicle towing chains are not dragging. Keep cigarettes and matches secured, follow any local burn restrictions, and call authorities if you spot smoke. For practical tips and local resources, see the City of San José.
Weekend Outlook
The warming trend eases tomorrow and Sunday, with highs settling into the middle 70s to around 80°F and generally seasonable conditions through Memorial Day. Patchy morning fog is possible before 7 AM next Monday, followed by mostly sunny skies and a high near 75°F. Early next week, a stronger onshore push and an approaching front could shave off a few degrees and bring a slight chance of drizzle along favored coastal locations from next Monday into Wednesday.
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