Osterhout Lake Weather Forecast

    • 4
    • 31

    Snow

    • 11
    • 24

    Mostly Cloudy

    • 29
    • 37

    Rain/Snow

    • 22
    • 38

    Rain/Snow Likely

    • 18
    • 31

    Snow Showers Likely

    • 12
    • 26

    Snow Showers Likely

Today 7 Dec Allegan

Snow in the Morning, then partly sunny in the afternoon. Snow accumulation an inch or less. Highs around 30. Northeast Winds around 10 Mph becoming north with Gusts to around 20 Mph in the afternoon. Chance of snow 100 percent.

Tonight 7 Dec Allegan

Partly cloudy. A 20 percent chance of snow Showers in the evening. Lows zero to 5 above. Northeast 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

December Temperature

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

  • Lowest 4 December, 2025

    15.8 °F

  • Average December

    26.2 °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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