Fond du Lac Weather Forecast

    • 42
    • 60

    Decreasing Clouds

    • 46
    • 70

    Partly Sunny

    • 43
    • 68

    Partly Sunny

    • 47
    • 72

    Partly Sunny

    • 54
    • 79

    Chance Thunderstorms

    • 53
    • 78

    Chance Rain Showers

Today 30 May Carlton/South St. Louis

Partly sunny. Not as warm with Highs in the lower 70s. East Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 30 May Carlton/South St. Louis

Partly cloudy. Lows in the mid 40s. East Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fond du Lac Temperature Statistics

May Temperature

Richard I. Bong Airport (8.7 miles)

  • Lowest 2 May, 2026

    25.5 °F

  • Average May

    48.3 °F

  • Highest 15 May, 2026

    84.2 °F

Climate (2021–Present)

Richard I. Bong Airport (8.7 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    42.9 °F

  • Average High 2021–2026

    51.2 °F
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