Alto Weather Forecast

    • 24
    • 38

    Gradual Clearing

    • 29
    • 42

    Partly Sunny

    • 33
    • 54

    Mostly Cloudy

    • 39
    • 50

    Slight Chance Rain

    • 25
    • 59

    Mostly Cloudy

    • 25
    • 41

    Mostly Sunny

    • 31
    • 48

    Partly Sunny

Today 22 Mar Fond Du Lac

Much Colder. Cloudy. Chance of Sprinkles and Flurries. Near steady temperature in the mid 30s. North Winds 15 to 20 Mph.

Tonight 22 Mar Fond Du Lac

Colder. Mostly cloudy until early morning then clearing. Lows in the mid 20s. North Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alto Temperature Statistics

March Temperature

Fond Du Lac County Airport (16.2 miles)

  • Lowest 17 March, 2026

    3.7 °F

  • Average March

    34.6 °F

  • Highest 9 March, 2026

    69.7 °F

Climate (2021–Present)

Fond Du Lac County Airport (16.2 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    58.4 °F
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