Capitol Park Weather Forecast

    • 72
    • 86

    Rain Showers Likely

    • 70
    • 88

    Rain Showers Likely

    • 64
    • 82

    Chance Thunderstorms

    • 64
    • 81

    Partly Sunny

    • 68
    • 84

    Chance Thunderstorms

    • 65
    • 82

    Slight Chance Thunderstorms

Today 14 Aug Polk

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the morning. Some Thunderstorms may produce heavy rainfall. Humid with Highs in the mid 80s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 14 Aug Polk

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the lower 70s. East Winds around 10 Mph with Gusts up to 20 Mph, becoming southeast after midnight. Chance of rain 70 percent.

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Capitol Park Temperature Statistics

August Temperature

Des Moines International Airport (5 miles)

  • Lowest 8 August, 2026

    62.7 °F

  • Average August

    75.7 °F

  • Highest 11 August, 2026

    91.9 °F

Climate (2021–2026)

Des Moines International Airport (5 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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