Alto Weather Forecast

    • 47
    • 72

    Decreasing Clouds

    • 50
    • 77

    Partly Sunny

    • 50
    • 80

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 56
    • 83

    Partly Sunny

    • 62
    • 86

    Mostly Cloudy

Today 30 May Fond Du Lac

Cooler. Partly sunny. Highs in the lower 70s. East Winds 10 to 15 Mph. Gusts up to 30 Mph in the morning.

Tonight 30 May Fond Du Lac

Partly cloudy. Lows in the upper 40s. East Winds 5 to 10 Mph.

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Alto Temperature Statistics

May Temperature

Fond Du Lac County Airport (16.2 miles)

  • Lowest 2 May, 2026

    28.7 °F

  • Average May

    55.5 °F

  • Highest 26 May, 2026

    86 °F

Climate (2021–Present)

Fond Du Lac County Airport (16.2 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    58.4 °F
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