Lake Poygan Weather Forecast

    • 56
    • 80

    Becoming Sunny

    • 55
    • 75

    Sunny

    • 62
    • 78

    Partly Sunny

    • 55
    • 77

    Chance Rain Showers

    • 54
    • 70

    Rain Showers Likely

    • 58
    • 71

    Rain Showers Likely

Today 9 Sep Winnebago

Humid. Patchy fog in the morning. Mostly cloudy with a chance of Showers and Thunderstorms in the Morning, then mostly sunny in the afternoon. Highs around 80. West wind 10 to 15 Mph. Chance of rain 40 percent.

Tonight 9 Sep Winnebago

Cooler. Clear. Lows in the middle 50s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Poygan Temperature Statistics

September Temperature

Appleton-Outagamie (14.9 miles)

  • Lowest 6 September, 2026

    62.6 °F

  • Average September

    74 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Appleton-Outagamie (14.9 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.9 °F
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