The heat is on, but don't sweat it. Here's a handy list of things going on in Westport this weekend:

Mind your manners. On Friday, take in the 8 p.m. performance of "The Circle," a comedy of manners written by W. Somerset Maugham at the Westport Country Playhouse, 25 Powers Court. Tickets range from $25 to $55. Call the box office at 203-227-4177 for information.

Get "quackin' " Saturday morning at the Sunrise Rotary's Great Duck Race at Parker Harding Plaza in downtown Westport, from 10 a.m. to 1 p.m. The public will be able to cast a vote for the best-decorated rubber ducky and cheer on the thousands of bobbing yellow duckies as race down the Saugatuck River in this annual fundraiser. There also will be family activities, children's arts and crafts, games, music and refreshments. For more information visit www.TheGreatDuckRace.org.

When you've had enough of rubber ducks, check out Ecofest 2011 at the Levitt Pavilion, 260 Compo Road South, from noon to 6 p.m. The enviro-celebratory event is free and features 40 local eco-exhibitors, lives bands and food from local vendors. Sponsored by the Staples High School Club Green. Visit www.clubgreenct.org for more information.

Saturday is also the day to take in the Westport Weston Family Y's Dance Center's spring performance from 2 to 4 p.m at Bedford Middle School, 88 North Ave. The performance features young artists and athletes performing some of the routines that won acclaim at regional competitions. Call 203-226-8981, ext. 197, or visit www.westporty.org.

On Sunday, head to the Farmers Market at Saugatuck Congregational Church, 245 Post Road East, from 10 a.m. to 1 p.m. to stock the pantry with Connecticut-grown produce and products. More information can be found at www.saugatuckchurch.org.