Marsh Wetlands State Nature Preserve Weather Forecast

    • 19
    • 43

    Rain Showers

    • 19
    • 26

    Partly Sunny

    • 40
    • 45

    Chance Rain

    • 25
    • 46

    Mostly Cloudy

    • 26
    • 36

    Chance Snow

    • 43
    • 43

    Rain Likely

Today 31 Jan Portage

Showers. Areas of dense fog. Highs in the mid 40s. East Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 31 Jan Portage

Cloudy. Patchy dense fog in the evening. Rain Showers with snow Showers likely in the Evening, then a chance of snow Showers after midnight. Little or no snow accumulation. Much cooler with Lows in the lower 20s. North Winds 10 to 15 Mph. Chance of precipitation 90 percent.

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Marsh Wetlands State Nature Preserve Temperature Statistics

January Temperature

Portage County Airport (5 miles)

  • Lowest 22 January, 2025

    -14.6 °F

  • Average January

    19.9 °F

  • Highest 18 January, 2025

    39.2 °F

Climate (2020–Present)

Portage County Airport (5 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    50.3 °F

  • Average High 2020–2025

    60.1 °F
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