Mandan Lake Weather Forecast

    • 43
    • 56

    Rain Showers

    • 37
    • 60

    Chance Rain Showers

    • 31
    • 53

    Mostly Sunny

    • 38
    • 60

    Partly Sunny

    • 34
    • 58

    Partly Sunny

    • 32
    • 53

    Partly Sunny

Today 16 Oct Oliver

Areas of fog in the morning. Showers. Highs in the upper 50s. Northeast Winds 10 to 15 Mph.

Tonight 16 Oct Oliver

Showers and a chance of Thunderstorms. Areas of fog. Lows in the mid 40s. East Winds 5 to 10 Mph.

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Mandan Lake Temperature Statistics

October Temperature

HAZEN (18.6 miles)

  • Lowest 6 October, 2025

    24.8 °F

  • Average October

    54.3 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

HAZEN (18.6 miles)

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  • Average Low 2020–2025

    30 °F

  • Average 2020–2025

    43.1 °F

  • Average High 2020–2025

    55.1 °F
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