April in Middletown averages a daily high of 17.5°C with nights around 5.3°C. Expect roughly 11.6 wet days totalling 97.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Middletown is May–June.
Based on FREEHOLD MARLBORO, NJ US (14.5km), 1995–2024. 26 years of April data.