FPUS46 KMTR 200858 City Forecast for Monterey, CA Issued Thursday morning - Oct 20, 2005 .Thursday... Partly cloudy, high 64, 0% chance of precipitation. .Thursday night... Low 50, 0% chance of precipitation. .Friday... Partly cloudy, high 65, 0% chance of precipitation. .Friday night... Low 50. .Saturday... High 66.