Montgomery County Agricultural Fair Basic event infoEvent date: 08/08/2025 - 6:00pm to 08/16/2025 - 10:00pm Public event fieldsHarmony Express will be strolling the Upper Fairgrounds and singing to fairgoers all week long! M-F 6-10pm; S-S 2-7pm This is our favorite summer tradition, and we hope to see you there!!