Lake Arikara Weather Forecast

    • 60
    • 87

    Mostly Sunny

    • 61
    • 83

    Rain Showers Likely

    • 63
    • 83

    Rain Showers Likely

    • 63
    • 87

    Slight Chance Thunderstorms

    • 58
    • 83

    Partly Sunny

    • 58
    • 81

    Slight Chance Thunderstorms

Today 21 Aug Hughes

Mostly sunny. Highs in the mid 80s. East Winds 10 to 15 Mph.

Tonight 21 Aug Hughes

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Arikara Temperature Statistics

August Temperature

Pierre, Pierre Regional Airport (0.6 miles)

  • Lowest 5 August, 2026

    47.6 °F

  • Average August

    73.1 °F

  • Highest 2 August, 2026

    100.7 °F

Climate (2021–2026)

Pierre, Pierre Regional Airport (0.6 miles)

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  • Average Low 2021–2026

    36.8 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    61.4 °F
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