Laon 46 °F Mostly cloudy. Feels Like: 39 °F Forecast: 52 / 47 °F Wind: 20 mph ↑ from Southwest Department: Aisne Department High: 46 °F Laon Department Low: 46 °F Laon Max Wind: 20 mph Laon °F Weather in Aisne (1 Location) Laon Sun 6:12 am 46 °F Need some help?