August in Leesburg averages a daily high of 29.6°C with nights around 17.1°C. Expect roughly 8 wet days totalling 93.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Leesburg is April–June.
Based on PURCELLVILLE, VA US (12.9km), 1995–2024. 26 years of August data.