Blog: Fall Colors and Halloween Fun in Jefferson County

There’s something special about fall in Jefferson County.

Country roads wind through landscapes painted in red, orange, and gold. Cooler temperatures make it the perfect time to explore a trail or county park. Pumpkins appear on porches and at local farms. And as October rolls along, communities throughout the county get into the Halloween spirit with festivals, costumes, trick-or-treating, and plenty of family fun.

Whether you're searching for the best places to see local fall colors, looking for a weekend fall adventure, or planning your family's Halloween activities in Jefferson County, there are plenty of ways to celebrate the season.

When Do Fall Colors Peak in Jefferson County?

Timing your fall outing is part of the adventure.

Fall color varies each year depending on temperatures, rainfall, and other weather conditions. According to the Wisconsin Department of Natural Resources, southern Wisconsin typically reaches peak color later than northern and central portions of the state, often during October.

Before heading out, check the current Travel Wisconsin Fall Color Report for the latest conditions.

Then grab a jacket, your camera, and maybe a cup of something warm—it’s time to explore.

Where to See Fall Colors in Jefferson County

Dorothy Carnes County Park and Rose Lake State Natural Area
Just west of Fort Atkinson, Dorothy Carnes County Park is an excellent place to experience autumn on foot.

The park surrounds Rose Lake and includes rolling hills, woodlands, wetlands, prairie, and savanna habitat. With approximately nine miles of hiking and cross-country ski trails, visitors have plenty of opportunities to explore the landscape.

Bring binoculars, too. Rose Lake and its surrounding habitat make this a popular location for bird-watching and wildlife observation.

Fall activity idea: Take a morning hike, stop at the marsh overlook, and see how many different fall colors you can photograph along the way.

Korth Park
For a combination of open space, water, and changing leaves, head toward Korth Park near Lake Mills.

Its setting near Rock Lake makes the park a beautiful place for a fall walk, picnic, or relaxing afternoon outdoors. Former Jefferson County Board Chairman Michael Kelly has highlighted Korth Park's scenic views as one of his favorite local experiences.

Pair a park visit with a trip into downtown Lake Mills for lunch, shopping, or one of the community's fall events.

Explore Jefferson County by Trail
Autumn is also a great excuse to experience Jefferson County on two wheels—or two feet.

The Glacial River Trail travels through Jefferson County and provides opportunities to experience communities, countryside, and natural areas along the way.

There's also something new to explore this fall: the Jefferson County Interurban Trail. The paved multi-use trail between Watertown and Oconomowoc passes through a landscape of woods, fields, marshes, ponds, and river scenery.

Pack some water, choose a comfortable distance, and enjoy fall color at your own pace.

Take a Fall Colors Drive

Not every fall adventure requires hiking boots.

A drive through Jefferson County's countryside can be just as rewarding. Farms, woodlands, waterways, and small communities create an ever-changing autumn backdrop.

For a longer excursion, explore the Kettle Moraine Scenic Drive and the surrounding southern Kettle Moraine region. Wisconsin DNR's official Kettle Moraine Scenic Drive stretches 115 miles through six counties, with its southern end near Whitewater Lake.

Make your drive part of the destination: Stop for breakfast, visit a local shop, walk a trail, grab lunch, and continue exploring.

Fall road-trip tip: Avoid rushing. Some of the best parts of an autumn drive are the unexpected stops along the way.

Pick Pumpkins and Spend a Day on the Farm

Fall in Wisconsin wouldn't feel complete without a trip to a pumpkin patch.

Busy Barns Adventure Farm near Fort Atkinson is open for its 2026 fall season from September 12 through November 1 on Saturdays and Sundays.

Visitors can explore the pumpkin patch and corn maze, meet farm animals, walk through seasonal fields, and enjoy dozens of interactive farm activities.

It's an easy way to turn pumpkin picking into an entire fall outing.

Celebrate Fall at the Lake Mills Fall Festival of Color

If you like your fall colors with food, shopping, and entertainment, mark Sunday, October 4, 2026 on the calendar.

The Lake Mills Fall Festival of Color takes place from 9 a.m. to 3 p.m. at Commons Park in downtown Lake Mills.

The free, family-friendly event features more than 150 vendors, including artists, crafters, farmers, and makers, along with food and live entertainment.

After exploring the festival, take a walk around Rock Lake or visit the shops and restaurants in downtown Lake Mills.

Halloween Events in Jefferson County

As October moves closer to Halloween, communities throughout Jefferson County trade fall leaves for costumes, candy, and spooky fun.

Here are several confirmed events for 2026.

Trunk-or-Treat at the Humane Society of Jefferson County
Friday, October 16, 2026
3–6 p.m.
Humane Society of Jefferson County, W6127 Kiesling Road, Jefferson

Kids are invited to dress in costume and trick-or-treat among decorated vehicle trunks during this free family event.

And because you're celebrating at the Humane Society, don't be surprised if you meet a few four-legged friends along the way.

Witches Night Out in Lake Mills
Wednesday, October 28, 2026
4–6 p.m.
Downtown Lake Mills and Commons Park

Grab the costumes—and perhaps a witch hat.

During Witches Night Out, children can trick-or-treat at participating downtown Lake Mills businesses, with additional candy stops along Lake Street near Commons Park.

The event is free, family-friendly, and offers another reason to visit local businesses while celebrating Halloween.

Halloween in Watertown
Daytime: Pumpkin Palooza and Boo Bash
Saturday, October 31, 2026
Noon–3 p.m.
Downtown Watertown

Halloween brings a full slate of activities to downtown Watertown. Check out Pumpkin Palooza and Boo Bash. Activities scheduled include games, a library bake sale, horse-drawn wagon rides, trick-or-treating along Main Street and at additional vendors, and more. Costumes are encouraged for the whole family.

Evening: Trick-or Treating
Watertown's citywide trick-or-treating is scheduled for 4–7 p.m. that evening, making it possible to turn Halloween into an afternoon and evening adventure.

Halloween in Palmyra
Saturday, October 31, 2026
Parade begins at 3:30 p.m.; trick-or-treating runs until 6 p.m.

Palmyra is getting into the Halloween spirit with its community Halloween parade and trick-or-treating.

The parade begins at 3:30 p.m., with participants lining up at 126 N. First Street. Community trick-or-treating runs from 3:30–6 p.m.

Halloween in Jefferson
Saturday, October 31, 2026
5–8 p.m.

The City of Jefferson's community-wide trick-or-treating is scheduled for Halloween night from 5–8 p.m.

The Jefferson Area Chamber of Commerce calendar also lists a Trunk or Treat event for October 31, so check the Chamber's event calendar as Halloween approaches for additional details.

More Halloween Events Are Coming

Not every Jefferson County community has announced its complete 2026 Halloween schedule yet.

Keep an eye on local municipal, chamber of commerce, and community event calendars for announcements from Fort Atkinson, Johnson Creek, Cambridge, Waterloo, and other Jefferson County communities as Halloween approaches.

Event dates, times, and details can change, so always confirm information with the event organizer before heading out.

Make a Fall Weekend of It

One of the best things about autumn in Jefferson County is that you don't have to choose just one activity.

Start the morning with a hike beneath changing leaves. Stop at a pumpkin patch in the afternoon. Explore one of our downtowns for dinner. Then finish your day with a Halloween event.

Or build your own Jefferson County fall road trip connecting communities, parks, trails, shops, restaurants, and seasonal events.

However you choose to explore, fall doesn't last forever.

Get outside, enjoy the colors, and discover something new in Jefferson County this autumn.

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