March in Plainfield averages a daily high of 10.7°C with nights around -0.7°C. Expect roughly 8.9 wet days totalling 101.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Plainfield is May–June.
Based on CANOE BROOK, NJ US (13km), 1995–2024. 28 years of March data.