San Jose woke up on the cool side today, with mostly cloudy skies and temperatures parked in the mid 50s as a shallow marine layer tried to reform along the bay. Low clouds are expected to thin by midmorning, setting up a mostly sunny, cooler-than-average afternoon, with highs in the 60s to lower 70s along the coast/bays, and 70s to mid 80s inland.
Afternoon Winds Pick Up
North-northwest winds are on track to crank up this afternoon, with sustained speeds of about 20 to 25 mph with gusts up to 35 mph, while coastal corridors and exposed hills turn noticeably breezier. Boaters and beachgoers should be ready for building seas and rougher conditions offshore, as the National Weather Service notes wind-driven seas of 10 to 12 feet today and the potential for even larger swells later in the week.
Foggy Mornings, Sunny Afternoons
Patchy fog could creep into low-lying shoreline and bayside neighborhoods during the early morning hours, but most spots should clear out by late morning, giving way to pleasant, sun-filled afternoons. Overnight lows are expected to dip into the upper 40s to around 500F, so a light layer is a smart call if you are out before sunrise.
What To Expect This Week
A warming, drier pattern takes over from Thursday into the weekend, with highs climbing into the low 80s on Thursday and the mid 80s to near 900F in interior valleys by early next week. Forecast guidance still points to Wednesday as the coolest day of the next seven, followed by a steady warm-up as high pressure builds.
Plan Ahead
If your plans involve the coast, it is wise to postpone small-boat outings until conditions settle down; expect rough surf and strong gusts along beaches and piers. Inland, errands and evening meetups should be mostly sunny and comfortable, although it will stay breezy in more exposed spots, so bring a wind layer if you will be spending time near the water this afternoon.
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