Green Bay Weather Forecast

    • 55
    • 69

    Mostly Cloudy

    • 50
    • 70

    Becoming Sunny

    • 51
    • 69

    Partly Sunny

    • 51
    • 69

    Partly Sunny

    • 54
    • 71

    Partly Sunny

    • 60
    • 70

    Rain Showers Likely

    • 56
    • 67

    Chance Rain Showers

Today 24 Sep Brown

Partly sunny with a 30 percent chance of Showers. Highs in the middle 60s.

Tonight 24 Sep Brown

Mostly cloudy. A slight chance of Showers after midnight. Lows in the middle 50s. Light and variable wind. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Green Bay Temperature Statistics

September Temperature

Green Bay, Austin Straubel International Airport (6.2 miles)

  • Lowest 14 September, 2026

    40.6 °F

  • Average September

    65.2 °F

  • Highest 1 September, 2026

    90.6 °F

Climate (2021–2026)

Green Bay, Austin Straubel International Airport (6.2 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.5 °F
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