Green Bay, Wis. – Wisconsin is kicking off October with an unexpected summer-like stretch as temperatures climb toward the upper 80s by Saturday afternoon. Commuters on I-41 and Highway 29 will notice fog early Thursday morning, but sunny skies will dominate through the weekend. Those setting up Halloween decorations or fall yard projects should plan for dry conditions and strong sunshine.
According to the National Weather Service in Green Bay, high pressure will keep skies mostly clear through Saturday night, with south winds strengthening to 15 mph and gusts over 20 mph. Temperatures will peak near 87 on Saturday, unusually warm for early October. Patchy fog may linger into the early hours Thursday, but no rain is expected until late Sunday.
Green Bay, Appleton, and Oshkosh will all see near-record warmth, with Friday topping out at 85 and Saturday soaring even higher. Outdoor events and high school football games Friday evening will enjoy clear skies and mild temperatures in the mid-60s. Those attending tailgates or farmers markets Saturday should plan for hydration and sun protection.
A weak system approaches Sunday with a 20 percent chance of showers, mainly late in the day, cooling highs into the lower 80s. Another slight rain chance lingers Monday before drier, cooler air brings highs back into the 60s by Tuesday.
Warmth remains the headline into Saturday, but Wisconsin residents should prepare for a shift early next week. More weather advisories may follow if rain chances increase.
Five Day Forecast for Green Bay, Wisconsin
- Thursday: Patchy fog early, then sunny. High near 79.
- Friday: Mostly sunny, high 85. South wind 3–6 mph.
- Saturday: Sunny, breezy, high 87. Gusts near 22 mph.
- Sunday: Partly cloudy, slight shower chance. High 82.
- Monday: Partly sunny, scattered showers possible. High 69.
