Green Bay Foliage Has Reached 20 Percent Color

The local area is just beginning its seasonal shift as northern Wisconsin shows more advanced vibrancy.

Updated on Sept. 30, 2026 in Current Conditions

Maple trees in an urban park beginning their autumn color shift from green to yellow under morning light. — Autumn foliage in Green Bay reached a 20 percent color progression by September 30, with peak vibrancy expected in late October. AI Illustration. Upload story photo >

Live Poll

Do you plan your travel trips based on seasonal peak color reports?

Foliage in Green Bay has reached a 20 percent color progression as of September 30, 2026. Travelers looking to see the leaves at their most vibrant stage should plan for the fourth week of October, when peak color is currently predicted.

Why it matters

The seasonal report helps visitors identify the best times and locations to observe changing leaves across the state. By tracking progression, travelers can coordinate their trips with the window of peak color across different regions.

Statewide monitoring covers 72 counties using 100 volunteer spotters, including one specifically in Brown County. Northern Wisconsin leads the state with 70 percent vibrancy, while Shawano and Oshkosh currently report 50 percent.

The players

Travel Wisconsin

This is the state's official tourism promotion organization that manages and publishes the annual fall color reports.

The details

Volunteer reporters drive through designated areas and track changes using a progress bar scale to inform the public. The statewide color report remains a popular resource, attracting 1.4 million visitors last year.

September 30, 2026: Green Bay foliage reached 20 percent color progression.
Fourth week of October 2026: Predicted peak fall color for the Green Bay area.

Seasonal Patterns

The Travel Wisconsin fall color report provides a standardized framework for tracking regional autumn progression, which is how the public benchmarks peak foliage windows annually. This story follows the established reporting pattern set by the state agency to track the current shift in local foliage.

Travelers and residents planning fall excursions should prioritize trips to northern Wisconsin now if they seek higher vibrancy levels. Otherwise, visitors should monitor the Green Bay report for shifts over the next few weeks leading into the predicted October peak.

The takeaway

Understanding the state's progress bar scale allows visitors to time their travel to catch the best views. Peak color is fleeting, making regular checks of the regional reports essential for anyone looking to photograph or experience the height of the season.