FPUS46 KMTR 171141 City Forecast for Monterey, CA Issued Tuesday morning - Sep 17, 2013 .Tuesday... Mostly cloudy, high 67, 0% chance of precipitation. .Tuesday night... Low 55, 0% chance of precipitation. .Wednesday... Partly cloudy, high 70, 0% chance of precipitation. .Wednesday night... Low 54. .Thursday... High 70.