Osterhout Lake Weather Forecast

    • 34
    • 42

    Chance Rain

    • 21
    • 39

    Rain/Snow

    • 27
    • 32

    Chance Rain/Snow

    • 31
    • 44

    Slight Chance Rain Showers

    • 21
    • 37

    Mostly Cloudy

    • 23
    • 30

    Chance Snow Showers

Today 30 Jan Allegan

Mostly sunny. Highs in the lower 40s. South Winds 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 30 Jan Allegan

Partly cloudy. Lows in the lower 20s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Osterhout Lake Temperature Statistics

January Temperature

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

  • Lowest 22 January, 2025

    -5.3 °F

  • Average January

    23.3 °F

  • Highest 17 January, 2025

    43.3 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    59 °F
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