Green Bay Weather Forecast

    • 48
    • 68

    Becoming Sunny

    • 59
    • 70

    Rain Showers

    • 56
    • 76

    Slight Chance Rain Showers

    • 58
    • 69

    Chance Rain Showers

    • 57
    • 71

    Slight Chance Rain Showers

    • 57
    • 69

    Chance Rain Showers

Today 13 Sep Door

Cooler. Mostly cloudy in the morning then clearing. Highs in the upper 60s. Northwest wind 10 to 15 Mph.

Tonight 13 Sep Door

Colder. Clear. Lows in the middle 40s. Northwest 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 10 September, 2026

    58.8 °F

  • Average September

    68.6 °F

  • Highest 1 September, 2026

    84.6 °F

Climate (2021–2026)

Ephraim-Gibraltar Airport (13 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    52.7 °F
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