FPUS41 KPHI 260100 City Forecast for Atlantic City, NJ Issued Thursday morning - Nov 26, 2009 .Thursday... Mostly cloudy, high 43, 10% chance of precipitation. .Thursday night... Low 58, 40% chance of precipitation. .Friday... Showers, high 41, 60% chance of precipitation. .Friday night... Low 50. .Saturday... High 35.