August in Erie averages a daily high of 26.3°C with nights around 17.5°C. Expect roughly 10.2 wet days totalling 80.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Erie is May–September.
Based on ERIE INTERNATIONAL AIRPORT, PA US (9.7km), 1995–2024. 30 years of August data.