October in Piscataway averages a daily high of 19.6°C with nights around 7.2°C. Expect roughly 10.1 wet days totalling 111.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Piscataway is May–June.
Based on NEW BRUNSWICK 3 SE, NJ US (3.5km), 1995–2024. 30 years of October data.