Marsh Wetlands State Nature Preserve Weather Forecast

    • 66
    • 90

    Rain Showers Likely

    • 65
    • 84

    Rain Showers

    • 64
    • 84

    Rain Showers

    • 64
    • 83

    Chance Thunderstorms

    • 64
    • 85

    Partly Sunny

    • 64
    • 87

    Chance Thunderstorms

Today 4 Jul Portage

Partly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values in the upper 90s.

Tonight 4 Jul Portage

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. West Winds around 5 Mph, becoming south after midnight. Chance of rain 70 percent.

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Marsh Wetlands State Nature Preserve Temperature Statistics

July Temperature

Portage County Airport (5 miles)

  • Lowest 1 July, 2026

    73.9 °F

  • Average July

    82.3 °F

  • Highest 1 July, 2026

    94.5 °F

Climate (2021–2026)

Portage County Airport (5 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    60 °F
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