August in Washington Heights averages a daily high of 28.6°C with nights around 20.5°C. Expect roughly 9.9 wet days totalling 118.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Washington Heights is May–June.
Based on NY CITY CENTRAL PARK, NY US (8.4km), 1995–2024. 30 years of August data.