Wilson Island State Park Weather Forecast

    • 76
    • 95

    Chance Rain Showers

    • 76
    • 98

    Hot

    • 74
    • 95

    Partly Sunny

    • 70
    • 93

    Slight Chance Thunderstorms

    • 67
    • 90

    Slight Chance Thunderstorms

    • 64
    • 86

    Mostly Sunny

Today 15 Aug Pottawattamie

Mostly sunny. Near steady temperature around 90. South Winds 10 to 15 Mph. Heat index Values up to 106.

Tonight 15 Aug Pottawattamie

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the mid 70s. South Winds 10 to 15 Mph.

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Wilson Island State Park Temperature Statistics

August Temperature

Blair Municipal Airport (6.8 miles)

  • Lowest 2 August, 2025

    56.3 °F

  • Average August

    72.3 °F

  • Highest 8 August, 2025

    89.1 °F

Climate (2020–Present)

Blair Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    62.4 °F
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