Green Bay Weather Forecast

    • 54
    • 79

    Becoming Sunny

    • 42
    • 68

    Partly Sunny

    • 60
    • 70

    Rain Showers

    • 55
    • 76

    Mostly Cloudy

    • 57
    • 67

    Chance Rain Showers

    • 54
    • 70

    Slight Chance Rain Showers

    • 54
    • 68

    Chance Rain Showers

Today 12 Sep Brown

Humid. Partly cloudy. Nearly steady temperature in the upper 70s. West wind 10 to 15 Mph.

Tonight 12 Sep Brown

Clear in the evening then becoming partly cloudy. Lows in the middle 50s. Northwest wind 5 to 10 Mph.

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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 7 September, 2026

    53.7 °F

  • Average September

    71 °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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