FPUS41 KRNK 070913 City Forecast for Lynchburg, VA Issued Friday morning - Sep 7, 2012 .Friday... Sunny, high 88, 10% chance of precipitation. .Friday night... Low 68, 20% chance of precipitation. .Saturday... Thunderstorm, high 84, 50% chance of precipitation. .Saturday night... Low 58. .Sunday... High 76.