Saturday, August 1st, 2026
10 AM to 4 PM
Rain or Shine!
The National Mustard Museum
7477 Hubbard Avenue
Middleton, WI 53562
National Mustard Day is a lively annual celebration that pays homage to one of America's favorite condiments. Hosted by the National Mustard Museum, this festive event is filled with mustard-themed activities, including free tastings, games, live music, and family-friendly entertainment.
Visit DowntownMiddleton.com for parking directions.
It's time for Mustard Day!
Want to sponsor National Mustard Day? Please fill out and mail the 2026 Mustard Day sponsorship packet form with payment to the National Mustard Museum, 7477 Hubbard Ave, Middleton, WI 53562 before June 1st, 2026.
Donations and proceeds from hot dog and bratwurst sales, games, and activities benefit the nonprofit National Mustard Museum.
