Walnut Woods State Park Weather Forecast

    • 75
    • 96

    Mostly Sunny

    • 76
    • 94

    Mostly Sunny

    • 77
    • 93

    Slight Chance Thunderstorms

    • 73
    • 94

    Slight Chance Thunderstorms

    • 72
    • 94

    Chance Thunderstorms

    • 69
    • 90

    Partly Sunny

    • 68
    • 86

    Partly Sunny

Today 1 Sep Polk

Sunny. Near steady temperature in the lower 90s. South Winds 5 to 10 Mph. Heat index Values up to 101.

Tonight 1 Sep Polk

Clear in the Evening, then becoming partly cloudy. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph.

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Walnut Woods State Park Temperature Statistics

September Temperature

Des Moines International Airport (4.3 miles)

  • Lowest

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  • Average September

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Climate (2021–2026)

Des Moines International Airport (4.3 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.5 °F
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