Alto Weather Forecast

    • 55
    • 77

    Becoming Sunny

    • 58
    • 81

    Slight Chance Thunderstorms

    • 58
    • 88

    Mostly Sunny

    • 55
    • 85

    Slight Chance Thunderstorms

    • 50
    • 78

    Partly Sunny

    • 49
    • 75

    Partly Sunny

Today 24 May Fond Du Lac

Mostly cloudy in the morning then clearing. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 24 May Fond Du Lac

Cloudy. Scattered light rain Showers and slight chance of Thunderstorms after midnight. Patchy fog early in the morning. Near steady temperature in the mid 50s. Southwest Winds up to 10 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alto Temperature Statistics

May Temperature

Fond Du Lac County Airport (16.2 miles)

  • Lowest 2 May, 2026

    28.7 °F

  • Average May

    52.5 °F

  • Highest 16 May, 2026

    82.7 °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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