Long Lake Weather Forecast

    • 59
    • 81

    Mostly Cloudy

    • 60
    • 74

    Slight Chance Thunderstorms

    • 59
    • 73

    Chance Rain Showers

    • 60
    • 78

    Chance Thunderstorms

    • 58
    • 77

    Chance Rain Showers

    • 54
    • 74

    Slight Chance Rain Showers

Today 18 Sep Fond Du Lac

Partly sunny. A 20 percent chance of light Showers and Thunderstorms in the afternoon. Highs around 80. Northeast Winds up to 10 Mph.

Tonight 18 Sep Fond Du Lac

Partly cloudy. Patchy fog. Lows around 60. South Winds up to 5 Mph.

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Long Lake Temperature Statistics

September Temperature

Fond Du Lac County Airport (16.8 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    60.5 °F

  • Highest 14 September, 2025

    80.1 °F

Climate (2020–Present)

Fond Du Lac County Airport (16.8 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    58.4 °F
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