Things to Do in August in Crystal Lake

Weekly outdoor market with local produce, baked goods, crafts, and live music.

🗓️ Saturdays, June–September, 8 AM – 1 PM · 📍 Depot Park, 20 E Van Buren St · Crystal Lake

Live theater, comedy, concerts, and family shows at the historic Raue Center.

🗓️ Year-round (see Raue Center calendar) · 📍 26 N Williams St · Crystal Lake

Free outdoor concerts at the lake featuring local and regional bands.

🗓️ Fridays, June–August, 7 PM · 📍 Main Beach, Crystal Lake · Crystal Lake

Free Tuesday evening concert series at the beach featuring regional bands across genres — rock, country, blues, and oldies. Bring lawn chairs and a cooler.

🗓️ Tuesdays, June–August, 7 PM · 📍 Main Beach, Crystal Lake · Crystal Lake

Community event where teams build boats from only cardboard and tape, then race them across the lake. Most sink gloriously. Free to watch, registration required to race.

🗓️ August (annually) · 📍 Main Beach, Crystal Lake · Crystal Lake

Classic and custom car show downtown with DJ music, food, and family activities.

🗓️ Tuesdays, June–August, 5–8 PM · 📍 Downtown Cary along Main St · Cary

Local produce, artisan goods, and baked items from area farmers and vendors.

🗓️ Sundays, June–October, 9 AM – 1 PM · 📍 Cary Park District, Lions Park · Cary

Live bands and solo artists performing at the local brewery taproom.

🗓️ Fridays & Saturdays, year-round · 📍 Fox River Brewing Company, Cary · Cary

Seasonal market with fresh produce, honey, baked goods, and local artisan products.

🗓️ Sundays, May–October, 9 AM – 1 PM · 📍 Cornish Park, Algonquin · Algonquin

Free weekly summer concert series with a variety of musical genres.

🗓️ Wednesdays, June–August, 7 PM · 📍 Towne Park, Algonquin · Algonquin

Free summer concert series on the lake with food trucks and family activities.

🗓️ Thursdays, June–August, 7 PM · 📍 Indian Trail Beach Park, Lake in the Hills · Lake in the Hills

Weekly market with local produce, prepared foods, flowers, and handmade goods.

🗓️ Sundays, June–September, 8 AM – 12 PM · 📍 Talamore Parking Lot, Huntley · Huntley

Free outdoor concert series featuring blues, rock, country, and family-friendly acts.

🗓️ Thursdays, June–August, 7 PM · 📍 Deicke Park, Huntley · Huntley

Signature community celebration with entertainment and festival activities.

🗓️ Annually (summer) · 📍 1307 N Green St · McHenry

Annual summer festival event listed by Naturally McHenry County.

🗓️ Annually (summer) · 📍 909 English Prairie Rd · Spring Grove

Long-running community festival in Harvard with family-friendly activities.

🗓️ Annually (early summer) · 📍 Milkyway Park · Harvard

Week-long county fair with livestock shows, carnival rides, demolition derby, live music, food vendors, and 4-H exhibits. A McHenry County tradition since 1949.

🗓️ First week of August (annually) · 📍 McHenry County Fairgrounds, Woodstock · Woodstock

Free weekly summer concerts on the square made famous by the movie Groundhog Day. Family-friendly atmosphere with restaurants and shops surrounding the green.

🗓️ Wednesdays, June–August, 7 PM · 📍 Historic Woodstock Square · Woodstock

Annual music-focused festival and live performance event.

🗓️ Annually (summer) · 📍 4300 Petersen Park Rd · McHenry