What are the best summer events to look forward to?

The Louisville St. Faires are a lot of fun!

Bohemian Nights coming up here in Ft. Collins is a must attend activity it is next weekend 8/17 check it out on Fort Collins City website 8 stages of concerts all for FREE! street fair, food etc... for 3 nights/days!

It's hard to pick just one but here's a short list: Farmers' Market and live music performances on Wednesday afternoons, Band on the Bricks on Wednesday nights on Pearl Street, Flatirons Crossing Mall concert series onThursday evenings, Tunes at Noon on Pearl Street Mall, Steinbaugh Pavilion concert series on Friday evenings, Farmer's Market and live music performances on Saturdays, and 29th Street Mall concert series on Saturday evenings. Plus, Chautauqua Concerts are peppered throughout the summer on different nights of the week.

The Chautauqua calendar of events is great in the summer in Boulder and you can sit outside with a picnic on the grass for free and kinda hear the shows:
http://chautauqua.com/calendar.php

Louisville has a street faire every Friday evening starting June 14th in Downtown Louisville. (No faire on July 5)
Louisville has a free movie at Community Park with food trucks available on June 12, June 26, July 10, July 24, Aug 7 and Aug 21.
Louisville has a free concert in Community Park June 20, June 27, July 11 and July 18th.