Time to check when state maple weekends are when maple is running.
MA is March 16 - 17: https://www.massmaple.org/
NH is March 23 - 24: (broken link removed to https://nhmapleproducers.com/maple-month/)
VT also March 23 - 24: (broken link removed to https://vermontmaple.org/maple-open-house-weekend)
NY is both March 23 - 24 and 30 - 31: https://www.nysmaple.com/
ME is the 4th Sunday in March, though some places will have weekend events: http://mainemapleproducers.com/about-maine-maple-sunday/
CT has maple festivals: http://www.ctmaple.org/
MA is March 16 - 17: https://www.massmaple.org/
NH is March 23 - 24: (broken link removed to https://nhmapleproducers.com/maple-month/)
VT also March 23 - 24: (broken link removed to https://vermontmaple.org/maple-open-house-weekend)
NY is both March 23 - 24 and 30 - 31: https://www.nysmaple.com/
ME is the 4th Sunday in March, though some places will have weekend events: http://mainemapleproducers.com/about-maine-maple-sunday/
CT has maple festivals: http://www.ctmaple.org/