Osterhout Lake Weather Forecast

    • 41
    • 66

    Mostly Sunny

    • 41
    • 66

    Partly Sunny

    • 35
    • 63

    Sunny

    • 44
    • 65

    Mostly Sunny

    • 46
    • 68

    Mostly Sunny

    • 44
    • 68

    Partly Sunny

Today 3 Oct Allegan

Sunny. Highs in the mid 60s. East Winds around 10 Mph in the morning becoming light.

Tonight 3 Oct Allegan

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

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Osterhout Lake Temperature Statistics

October Temperature

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

  • Lowest 1 October, 2026

    60.8 °F

  • Average October

    65.7 °F

  • Highest 1 October, 2026

    71.6 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.5 °F
Get WillyWeather+ to remove ads