Alto Weather Forecast

    • 57
    • 64

    Rain Showers

    • 50
    • 65

    Mostly Cloudy

    • 45
    • 61

    Mostly Cloudy

    • 45
    • 60

    Partly Sunny

    • 47
    • 63

    Partly Sunny

    • 49
    • 66

    Partly Sunny

    • 49
    • 70

    Partly Sunny

Today 19 Sep Fond Du Lac

Mostly sunny. Highs in the lower 70s.

Tonight 19 Sep Fond Du Lac

Cloudy. Light rain Showers likely through around midnight. Chance of Thunderstorms until early morning. Chance of light rain Showers after midnight. Lows in the upper 50s. Northeast Winds 5 to 15 Mph. Chance of precipitation 70 percent.

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  • Temperature Real-Time

Alto Temperature Statistics

September Temperature

Fond Du Lac County Airport (16.2 miles)

  • Lowest 14 September, 2026

    39.7 °F

  • Average September

    67.5 °F

  • Highest 1 September, 2026

    90.6 °F

Climate (2021–2026)

Fond Du Lac County Airport (16.2 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    49 °F

  • Average High 2021–2026

    58.3 °F
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