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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Reviewly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Check the live forecast above before heading out. Green Bay’s weather changes quickly with Lake Michigan influence, so plan for sudden shifts from sun to rain or snow, especially if you are heading to Lambeau Field.
What should you expect from Green Bay weather today?
The live forecast above shows current conditions. For the rest of the day, expect temperatures typical of the season. Green Bay sits on Lake Michigan, which moderates temperatures in spring and autumn but brings lake-effect snow in winter. If you are looking for a green bay weather radar, the National Weather Service provides real-time loops for the region.
How do the seasons affect your plans?
Winter (December–February) is cold, with average highs around –4°C to –1°C and lows near –12°C. Summer (June–August) is warm and humid, with highs near 27°C. Spring and autumn are short and variable. For weather in green bay 10 days, the live forecast above gives a useful outlook. If you need green bay weather hourly, check the detailed tab on that same forecast. For green bay weather tomorrow, the forecast updates each morning.
What is the best time to visit Green Bay?
Late summer (August) or early autumn (September) offer mild temperatures around 20°C, less rain, and clearer skies for outdoor events or a Packers game at Lambeau Field.
How cold does winter get in Green Bay?
January is the coldest month, with lows often below –12°C. Wind chill from Lake Michigan can make it feel much colder, so dress in layers and check green bay weather 14 day forecasts before travelling.
Does Green Bay have a reliable weather radar?
Yes, the National Weather Service operates a radar near the city. For green bay weather radar loops and storm tracking, use the NWS website or a local app for real-time updates.
Compare conditions with Australia weather hub or see severe weather warnings if you’re travelling. For green bay weather 15 day and long-range trends, the live forecast above is your best starting point. Remember that forecasts in Celsius are standard here – green bay weather celsius readings come directly from the same live data. If you need weather in green bay 10 days, the forecast panel covers that too. And for those visiting Lambeau, keep an eye on green bay weather lambeau field – wind and precipitation can affect game-day comfort.