Niobrara State Park Weather Forecast

    • 33
    • 61

    Mostly Sunny

    • 38
    • 64

    Mostly Sunny

    • 46
    • 64

    Partly Sunny

    • 52
    • 66

    Mostly Cloudy

    • 50
    • 65

    Chance Rain Showers

    • 43
    • 61

    Chance Rain Showers

Today 22 Oct Knox

Areas of frost this morning. Sunny. Highs in the lower 60s. West Winds 10 to 15 Mph, becoming northwest this afternoon.

Tonight 22 Oct Knox

Mostly clear. Widespread frost after midnight. Lows in the lower 30s. Northwest Winds 5 to 10 Mph, becoming west after midnight.

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Niobrara State Park Temperature Statistics

October Temperature

Yankton, Chan Gurney Municipal Airport (36 miles)

  • Lowest 19 October, 2025

    37 °F

  • Average October

    61.2 °F

  • Highest 3 October, 2025

    91 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (36 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    61.4 °F
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