August in Olympia averages a daily high of 25.8°C with nights around 10.4°C. Expect roughly 4.7 wet days totalling 22.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Olympia is July–August.
Based on OLYMPIA AIRPORT, WA US (7.9km), 1995–2024. 30 years of August data.