Osterhout Lake Weather Forecast

    • 46
    • 74

    Rain Showers

    • 42
    • 66

    Partly Sunny

    • 48
    • 68

    Partly Sunny

    • 52
    • 71

    Rain Showers

    • 45
    • 63

    Slight Chance Rain Showers

    • 42
    • 58

    Slight Chance Rain Showers

Today 24 Apr Allegan

A chance of Showers and Thunderstorms in the Morning, then rain Showers and a chance of Thunderstorms in the afternoon. Highs in the upper 60s near lake Michigan in the mid 70s inland. South Winds 5 to 15 Mph becoming southwest 10 to 15 Mph in the afternoon. Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 24 Apr Allegan

Mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 40s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Osterhout Lake Temperature Statistics

April Temperature

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

  • Lowest 7 April, 2026

    23 °F

  • Average April

    50.8 °F

  • Highest 12 April, 2026

    80.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.5 °F
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