August in Roanoke averages a daily high of 30.1°C with nights around 19.1°C. Expect roughly 10.1 wet days totalling 90.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Roanoke is September–October.
Based on ROANOKE BLACKSBURG REGIONAL AIRPORT, VA US (5.9km), 1995–2024. 30 years of August data.