August in Southwest Ohio is fair season, full stop. Between county fairgrounds, downtown streets closed off for art and music, and church picnics that have run since the Truman administration, there is a fair, festival or fest happening somewhere in the Cincinnati or Dayton area almost every weekend this month. Some are free, some charge a gate fee, and a few run the better part of a week. Here are 10 worth building a Saturday around.
1. Ohio State Fair
The Ohio State Fair runs July 29 through Aug. 9, 2026, at the Ohio Expo Center, 717 E. 17th Ave. in Columbus. It is not a Southwest Ohio event, but it is close enough for a day trip and big enough to be worth the drive: this is the state’s largest fair, with a midway, livestock competitions and a lineup of food vendors that changes every year. Families planning to go should check ohiostatefair.com for daily hours, ticket prices and ride wristband costs before heading up, since those details change year to year and by day of the week.
Where: Ohio Expo Center, 717 E. 17th Ave., Columbus, OH 43211
When: July 29 to Aug. 9, 2026
Admission: $13 adults (13-59), $10 youth (6-12) and seniors (60+), free for kids 5 and under; parking $10; ride-all-day wristband $38
More info: ohiostatefair.com
2. Ohio River Paddlefest
Ohio River Paddlefest closes the Ohio River to motorized traffic for one morning so kayakers, canoers and paddleboarders can take it over instead. The 2026 event, on Saturday, Aug. 1, marks the festival’s 25th anniversary, and organizers plan to attempt a Guinness World Records title for largest paddle craft party. Paddlers choose between a 9-mile route ending at Gilday Recreation Complex in Riverside and a shorter 4.5-mile route that finishes at the Public Landing downtown. A limited number of rental boats can be reserved ahead of time, so families without their own gear should not wait until race week to look into it. The event kicks off the night before with the Outdoors for All Expo, a free preview party with outdoor gear exhibitors, food and music at Schmidt Recreation Complex. Proceeds benefit Adventure Crew, a nonprofit that connects Cincinnati teens with outdoor programming.
Where: Schmidt Boat Launch, 2944 Humbert Ave., Cincinnati, OH 45226
When: Saturday, Aug. 1, 2026, 7 a.m. to 2 p.m.
More info: ohioriverpaddlefest.org
3. Preble County Fair
The Preble County Fair marks its 176th year in 2026, running Aug. 1 to 8 at the fairgrounds in Eaton. It is one of the bigger county fairs in the region, drawing an estimated 75,000 visitors over the week for harness racing, demolition derbies, rodeos, tractor pulls and a lawn-mower derby, alongside kid-scaled events like a Kiddie Tractor Pull and the County Idol finals. Gate admission is $7, with kids 8 and under free, and tickets bought online run $5. Parking is free. Ride wristbands are $25 a day, or rides can be bought individually.
Where: Preble County Fairgrounds, 722 S. Franklin St., Eaton, OH 45320
When: Aug. 1 to 8, 2026
Admission: $7 at the gate ($5 online), free for kids 8 and under; ride wristbands $25
More info: preblecountyfair.com
4. Greene County Fair
Greene County’s fair runs Aug. 2 to 8 at the fairgrounds in Xenia, with gates open from 8 a.m. to 10 p.m. daily. Daily gate admission is $10, with kids 9 and under free with a paying adult. There is a no re-entry policy once you’re through the gate for the day, so families planning to come and go should factor that in. Season and membership tickets, at $40 and $25, buy re-entry privileges for the full week and can save money for anyone planning multiple visits. Free parking is available outside the main entrance, and reserved parking near the barns runs $45 and is limited.
Where: Greene County Fairgrounds, 210 Fairground Road, Xenia, OH 45385
When: Aug. 2 to 8, 2026, 8 a.m. to 10 p.m.
Admission: $10 daily gate admission, free for kids 9 and under with a paying adult; $40 seasonal ticket
More info: greenecountyfairgrounds.com
5. BaconFest at the Fraze
The 13th annual BaconFest takes over Fraze Pavilion in Kettering on Saturday, Aug. 8, from 4 to 10 p.m. Gates open at 4 p.m. The free event, put on by the Fraze in partnership with the Miami Valley Restaurant Association, has local restaurants and food trucks turning out bacon in every direction: bacon-wrapped, bacon-stuffed and bacon-drizzled dishes, alongside live music on the Lincoln Park stage. A few rules worth knowing before you go: no pets are allowed, coolers are not permitted at any Fraze event, and bags are limited to 12 inches by 12 inches by 6 inches, with larger bags turned away rather than checked.
Where: Fraze Pavilion, 695 Lincoln Park Blvd., Kettering, OH 45429
When: Saturday, Aug. 8, 2026, 4 to 10 p.m.
Admission: Free
More info: fraze.com/baconfest-2026
6. Germanfest Picnic
Founded in 1983, the Germanfest Picnic is a three-day celebration of Dayton’s German heritage, held the second full weekend of August every year in the historic St. Anne’s Hill neighborhood. The 2026 event runs Aug. 14 to 16 and includes German food, beer and wine gardens with live bands, a Friday night car cruise-in followed by an all-German car show Sunday, dance performances, and a Kinder Korner area for kids. A Polka Mass is held Sunday morning. The event is hosted by the Dayton Liederkranz-Turner Club, the area’s oldest German-American club.
Where: Dayton Liederkranz-Turner, 1400 E. Fifth St., Dayton, OH 45402
When: Aug. 14 to 16, 2026
Admission: Free
More info: germanfestdayton.com
7. Dayton Porchfest
Dayton Porchfest turns the porches, front yards and sidewalks of the St. Anne’s Hill Historic District into a walkable, free music festival on Saturday, Aug. 22. Dozens of local musicians and bands play short sets from private porches throughout the neighborhood, covering everything from funk and blues to indie rock, classical, country and bluegrass. It’s organized by The Collaboratory, a Dayton nonprofit that incubates community projects. There’s no set schedule for the whole day; the event runs on a rolling basis, so plan to wander rather than aim for one fixed start time.
Where: St. Anne’s Hill Historic District, Dayton, OH 45403
When: Saturday, Aug. 22, 2026
Admission: Free
More info: daytonporchfest.org
8. Hamilpalooza
Hamilpalooza, the Greater Hamilton Chamber of Commerce’s annual street festival, fills downtown Hamilton around Marcum Park on Saturday, Aug. 22, from noon to 6 p.m. Billed as the Marketplace of Butler County, the event mixes vendor booths selling gifts, home décor and handmade goods with food trucks, live music, a petting farm and interactive activities for kids. It’s a family-friendly, walkable event well suited to an afternoon rather than a full-day commitment.
Where: Marcum Park and surrounding downtown streets, 116 Dayton St., Hamilton, OH 45011
When: Saturday, Aug. 22, 2026, noon to 6 p.m.
Admission: Free
More info: hamilton-ohio.com/events/hamilpalooza
9. Ohio Valley Orchid Fest
For families with a plant-obsessed kid, the Ohio Valley Orchid Fest is a niche but genuine option. Presented by the Miami Valley Orchid Society along with the Mid America Orchid Congress and the American Orchid Society, the 2026 fest runs Aug. 22 and 23 at Emmanuel Lutheran Church in Kettering. Around a dozen vendors from the U.S., Ecuador and Taiwan bring orchids for sale and display, alongside educational sessions on orchid care for hobbyists. Kids’ activities include orchid stickers and a photo station where visitors can pose as an orchid. It’s a smaller, quieter event than most on this list, and a good fit for a family that wants something low-key rather than crowded.
Where: Emmanuel Lutheran Church, 4865 Wilmington Pike, Kettering, OH 45440
When: Aug. 22 and 23, 2026
Admission: Suggested donation of $5 per person
More info: ohiovalleyorchidfest.com
10. ARTFest on Main
Now in its ninth year, ARTFest on Main takes over South Main Street in Historic Downtown Springboro on Saturday, Aug. 29, from 10 a.m. to 5 p.m. It’s a juried fine arts show, with more than 100 artists selling original paintings, sculpture, pottery, leatherwork, woodcrafts, photography, textiles and glass art. The Springboro Arts Council, which founded the event in 2018, also runs a children’s activity tent, a farmers market and food and beverage vendors alongside live music. The show is free, outdoor and rain-or-shine. It closes out the evening with Dinner on Main, a ticketed farm-to-table fundraiser for the Springboro Arts Council and Springboro Orchestra Association.
Where: S. Main Street, Historic Downtown Springboro, Springboro, OH 45066
When: Saturday, Aug. 29, 2026, 10 a.m. to 5 p.m.
Admission: Free (Dinner on Main is ticketed separately)
More info: artfestonmain.com
Weather, vendor lineups and exact hours can shift close to any of these dates, so it’s worth checking each event’s official page the week of before making the drive. Families looking for more to fill out the month can also check our full list of things to do in Southwest Ohio.
