Lake Arikara Weather Forecast

    • 56
    • 81

    Mostly Cloudy

    • 57
    • 72

    Chance Rain Showers

    • 57
    • 75

    Rain Showers

    • 50
    • 71

    Partly Sunny

    • 52
    • 74

    Partly Sunny

    • 48
    • 69

    Partly Sunny

    • 49
    • 68

    Partly Sunny

Today 26 Sep Hughes

Partly sunny. Highs in the lower 60s.

Tonight 26 Sep Hughes

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the mid 50s. East Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arikara Temperature Statistics

September Temperature

Pierre, Pierre Regional Airport (0.6 miles)

  • Lowest 17 September, 2026

    47.6 °F

  • Average September

    68.3 °F

  • Highest 5 September, 2026

    102.7 °F

Climate (2021–2026)

Pierre, Pierre Regional Airport (0.6 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    61.4 °F
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