Alto Weather Forecast

    • 43
    • 65

    Mostly Sunny

    • 59
    • 69

    Rain Showers

    • 50
    • 74

    Chance Rain Showers

    • 56
    • 69

    Rain Showers Likely

    • 53
    • 72

    Chance Rain Showers

    • 55
    • 71

    Chance Rain Showers

    • 53
    • 72

    Partly Sunny

Today 13 Sep Fond Du Lac

Cooler. Partly sunny early in the afternoon then clearing. Near steady temperature in the mid 60s. Northwest Winds 10 to 15 Mph.

Tonight 13 Sep Fond Du Lac

Clear. Lows in the lower 40s. Northwest Winds up to 5 Mph shifting to the north after midnight.

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Alto Temperature Statistics

September Temperature

Fond Du Lac County Airport (16.2 miles)

  • Lowest 7 September, 2026

    53.7 °F

  • Average September

    71 °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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