San Jose starts today under clear skies near 61°F, but this is the coolest part of a steadily hotter stretch. The forecast calls for sunshine and a high near 88°F, with northwest winds strengthening to around 10 mph by late afternoon and gusts up to 18 mph.
South Bay Heat Peaks Monday
Tomorrow climbs to around 90°F, next Sunday reaches 91°F, and next Monday is expected to be the hottest day in San Jose at about 93°F. Highs then ease to around 90°F next Tuesday, 88°F next Wednesday and 89°F next Thursday, while overnight lows mostly settle between 59°F and 62°F.
The latest outlook extends the warmup covered in Hoodline's earlier San Jose forecast, with dry, sunny weather holding across the city. A weak front may bring low coastal clouds late tonight into Saturday morning, but it is not expected to meaningfully cool the inland valleys or nearby hills.
Dry Air Raises Fire Concerns
The National Weather Service says Moderate HeatRisk will continue across interior parts of the Bay Area through early next week, with a few hotter pockets reaching the more serious Major category. Dry fuels and afternoon winds are also keeping fire weather concerns elevated in the Santa Cruz Mountains and Diablo Range, so skip activities that could throw a spark, especially near dry vegetation.
Beach Plans Need Extra Caution
A Beach Hazards Statement remains in effect through tomorrow afternoon for Pacific Coast beaches, including areas popular with South Bay day-trippers. Forecasters warn of sneaker waves and strong rip currents, with breaking waves up to 10 feet possible at some south- and southwest-facing beaches, including Santa Cruz; stay well back from the water and never turn your back on the surf.
For today in San Jose, the practical play is simple: get strenuous outdoor work done earlier, carry water, and expect the breeziest conditions late in the day. With no rain in the forecast through next Thursday, the combination of heat, wind and dry vegetation will matter more than clouds or showers.
