Osterhout Lake Weather Forecast

    • 34
    • 41

    Rain Showers

    • 27
    • 44

    Chance Snow Showers

    • 32
    • 41

    Rain/Snow

    • 24
    • 53

    Rain/Snow

    • 18
    • 30

    Chance Snow Showers

    • 17
    • 26

    Chance Snow Showers

Today 12 Mar Allegan

Sunny. Highs in the lower 40s. West Winds 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 12 Mar Allegan

A chance of snow Showers in the Evening, then snow Showers, possibly mixed with rain Showers after midnight. Lows in the lower 30s. South Winds around 10 Mph with Gusts to around 20 Mph increasing to 15 to 20 Mph with Gusts to around 55 Mph after midnight. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Osterhout Lake Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    17.6 °F

  • Average March

    43.9 °F

  • Highest 9 March, 2026

    75.2 °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

    51.2 °F

  • Average High 2021–2026

    59.5 °F
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