FPUS46 KMTR 171141 City Forecast for San Jose, CA Issued Tuesday morning - Sep 17, 2013 .Tuesday... Partly cloudy, high 71, 0% chance of precipitation. .Tuesday night... Low 57, 0% chance of precipitation. .Wednesday... Sunny, high 80, 0% chance of precipitation. .Wednesday night... Low 58. .Thursday... High 81.