Warren County Nj Fair 2024. Mass hot air balloon launch, up to 25 hot air balloons will launch from green pasture to blue sky. — the warren county farmers’ fair, featuring the hot air balloon festival, will take place from july 27 to august 3.

Lots of great fair food. For a full schedule of events for the warren county farmers’ fair, visit the website at warrencountyfarmersfair.org.