FPUS42 KTBW 261823 City Forecast for Fort Myers, FL Issued Thursday afternoon - Nov 26, 2009 .Thursday night... Low 51, 0% chance of precipitation. .Friday... Sunny, high 68, 0% chance of precipitation. .Friday night... Low 45, 0% chance of precipitation. .Saturday... Sunny, high 71. .Saturday night... Low 51.