Green Bay Weather Forecast

    • 59
    • 71

    Mostly Sunny

    • 59
    • 72

    Mostly Sunny

    • 58
    • 73

    Slight Chance Thunderstorms

    • 57
    • 70

    Slight Chance Rain Showers

    • 53
    • 65

    Mostly Cloudy

    • 53
    • 63

    Mostly Cloudy

Today 15 Sep Door

Sunny. Highs in the upper 70s. South wind 5 to 10 Mph.

Tonight 15 Sep Door

Clear. Lows in the upper 50s. Southeast wind 5 to 10 Mph in the evening becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Green Bay Temperature Statistics

September Temperature

Ephraim-Gibraltar Airport (13 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    58.2 °F

  • Highest 2 September, 2025

    75.6 °F

Climate (2020–Present)

Ephraim-Gibraltar Airport (13 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    52.7 °F
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