Osterhout Lake Weather Forecast

    • 68
    • 82

    Increasing Clouds

    • 70
    • 88

    Mostly Cloudy

    • 67
    • 89

    Chance Thunderstorms

    • 61
    • 83

    Mostly Sunny

    • 62
    • 85

    Mostly Sunny

    • 64
    • 86

    Partly Sunny

Today 25 Jul Allegan

Sunny. Highs in the lower 80s. Southwest Winds around 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 25 Jul Allegan

Partly cloudy. Lows in the upper 60s. Southwest Winds around 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Osterhout Lake Temperature Statistics

July Temperature

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

  • Lowest 22 July, 2026

    53.6 °F

  • Average July

    75 °F

  • Highest 1 July, 2026

    91.4 °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

    59.6 °F
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