Osterhout Lake Weather Forecast

    • 45
    • 68

    Decreasing Clouds

    • 47
    • 70

    Partly Sunny

    • 42
    • 68

    Mostly Cloudy

    • 48
    • 63

    Mostly Cloudy

    • 54
    • 72

    Partly Sunny

    • 50
    • 70

    Partly Sunny

    • 52
    • 71

    Mostly Cloudy

Today 24 Oct Allegan

Mostly cloudy with a 20 percent chance of rain Showers. Highs in the upper 60s.

Tonight 24 Oct Allegan

Partly cloudy. Lows in the mid 40s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Osterhout Lake Temperature Statistics

October Temperature

South Haven, South Haven Area Regional Airport (12.4 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    57.8 °F

  • Highest 12 October, 2026

    86 °F

Climate (2021–2026)

South Haven, South Haven Area Regional Airport (12.4 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.5 °F
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