August in Harrisonburg averages a daily high of 29°C with nights around 15.8°C. Expect roughly 12.5 wet days totalling 104.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Harrisonburg is May–June.
Based on DALE ENTERPRISE, VA US (5.8km), 1995–2024. 30 years of August data.