October in Hempstead averages a daily high of 18.7°C with nights around 10.5°C. Expect roughly 9.4 wet days totalling 99.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hempstead is August–October.
Based on JFK INTERNATIONAL AIRPORT, NY US (14.3km), 1995–2024. 30 years of October data.