Crystal Cove Park Weather Forecast

    • 66
    • 77

    Rain Showers Likely

    • 64
    • 82

    Chance Thunderstorms

    • 57
    • 76

    Slight Chance Thunderstorms

    • 61
    • 78

    Partly Sunny

Today 14 Aug Dakota

Cloudy with a chance of Thunderstorms. Showers, mainly this morning. Highs in the upper 70s. East Winds 10 to 15 Mph. Chance of rain 80 percent.

Tonight 14 Aug Dakota

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 60s. Northeast Winds around 5 Mph, becoming north around 5 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Cove Park Temperature Statistics

August Temperature

Sioux City, Sioux Gateway Airport (3.7 miles)

  • Lowest 8 August, 2026

    50.6 °F

  • Average August

    73.3 °F

  • Highest 11 August, 2026

    94.6 °F

Climate (2021–2026)

Sioux City, Sioux Gateway Airport (3.7 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    63.4 °F
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