Osterhout Lake Weather Forecast

    • 13
    • 25

    Increasing Clouds

    • 30
    • 37

    Rain Showers

    • 21
    • 39

    Rain/Snow

    • 16
    • 29

    Snow Showers Likely

    • 13
    • 26

    Snow Showers

    • 11
    • 22

    Snow Showers Likely

Today 8 Dec Allegan

Partly sunny. Highs in the mid 20s. Light Winds becoming south 5 to 10 Mph in the afternoon.

Tonight 8 Dec Allegan

Partly cloudy in the Evening, then snow Showers likely after midnight. Snow accumulation an inch or less. Lows near 15. South Winds 5 to 15 Mph. Gusts up to 20 Mph increasing to 30 Mph after midnight. Chance of snow 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Osterhout Lake Temperature Statistics

December Temperature

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

  • Lowest 5 December, 2025

    8.6 °F

  • Average December

    25.1 °F

  • Highest 2 December, 2025

    33.8 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.3 °F
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