Riverhead Fair 2025. This year will mark our 48th annual fair, celebrating the proud agricultural heritage of our town. The 48th annual riverhead country fair is set to take place in downtown riverhead sunday, and, with the weather forecast calling for mostly sunny skies and a high temperature.
All of downtown riverhead and the peconic waterfront are closed down for one of new york state’s largest one day fairs. Blue skies and sunshine prevailed yesterday and crowds returned to downtown riverhead for the 46th annual riverhead country fair.