Beaver Lake Weather Forecast

    • 56
    • 76

    Decreasing Clouds

    • 68
    • 81

    Mostly Sunny

    • 66
    • 86

    Breezy

    • 57
    • 82

    Partly Sunny

    • 49
    • 70

    Partly Sunny

    • 51
    • 64

    Mostly Cloudy

    • 54
    • 68

    Chance Rain Showers

Today 8 Oct Yankton

Mostly sunny. Highs in the mid 60s.

Tonight 8 Oct Yankton

Mostly cloudy with a slight chance of Sprinkles this Evening, then partly cloudy after midnight. Lows in the mid 50s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beaver Lake Temperature Statistics

October Temperature

Yankton, Chan Gurney Municipal Airport (7.5 miles)

  • Lowest 2 October, 2026

    42.1 °F

  • Average October

    61.1 °F

  • Highest 6 October, 2026

    86 °F

Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.7 °F
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