Green Bay Weather Forecast

    • 56
    • 78

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

    • 69
    • 77

    Rain Showers

    • 58
    • 79

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

    • 60
    • 77

    Partly Sunny

Today 6 Sep Brown

Mostly sunny. Nearly steady temperature in the upper 70s. Light and variable wind.

Tonight 6 Sep Brown

Mostly clear. Patchy fog after midnight. Lows in the upper 50s. Light and variable wind.

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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 2 September, 2026

    65.6 °F

  • Average September

    74.8 °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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