Showers and thunderstorms forecast for San Jose Friday, with a 90% chance of rain
The National Weather Service expects a quarter to half an inch of rain and gusts to 31 mph. Saturday should be mostly sunny.
Showers and thunderstorms are likely in San Jose on Friday, Nov. 13, mostly between 9 a.m. and 4 p.m., the National Weather Service forecast shows. The chance of rain is 90%, with a quarter to half an inch possible.
Thursday should stay mostly sunny with a high near 76. Rain may start after 5 a.m. Friday. Friday's high is near 64, with south winds of 7 to 16 mph and gusts up to 31 mph.
Thunderstorms can bring lightning and short bursts of heavy rain. Rain should taper before 4 a.m. Saturday, followed by patchy fog, a low near 47 and a mostly sunny afternoon with a high near 66.
As of 6:15 a.m. Thursday, the weather service had no watch, warning or advisory in effect for the area. The City Council declared a local emergency Nov. 10 to prepare for a strong El Niño winter; our story has details.
Source: National Weather Service point forecast for San Jose.
- National Weather Service, San Francisco Bay Area office, point forecast for San Jose (37.296, -121.8146), updated Nov. 12, 2026, 2:26 a.m. PST
- National Weather Service API, gridpoint MTR 102,80 forecast (pulled Nov. 12, 2026, 6:16 a.m. PST)
- National Weather Service active alerts, zone CAZ513 (none at 6:16 a.m. PST Nov. 12)