Capitol Park Weather Forecast

    • 68
    • 91

    Mostly Cloudy

    • 66
    • 91

    Chance Thunderstorms

    • 65
    • 88

    Chance Thunderstorms

    • 63
    • 82

    Chance Thunderstorms

    • 60
    • 78

    Chance Thunderstorms

    • 59
    • 75

    Chance Thunderstorms

Today 15 Sep Polk

Mostly cloudy this Morning, then becoming partly sunny. Highs around 90. South Winds 5 to 10 Mph.

Tonight 15 Sep Polk

Mostly cloudy in the Evening, then becoming partly cloudy. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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Capitol Park Temperature Statistics

September Temperature

Des Moines International Airport (5 miles)

  • Lowest 7 September, 2025

    43 °F

  • Average September

    67 °F

  • Highest 13 September, 2025

    96.1 °F

Climate (2020–Present)

Des Moines International Airport (5 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.9 °F
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