Mandan Lake Weather Forecast

    • 56
    • 71

    Cloudy

    • 45
    • 75

    Partly Sunny

    • 51
    • 72

    Rain Showers

    • 44
    • 69

    Rain Showers Likely

    • 44
    • 69

    Partly Sunny

    • 44
    • 69

    Partly Sunny

Today 25 Sep Oliver

Widespread fog late in the morning. Cloudy. Highs in the upper 60s. Southeast Winds 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 Sep Oliver

Cloudy with a 20 percent chance of Showers. Lows in the mid 50s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mandan Lake Temperature Statistics

September Temperature

HAZEN (18.6 miles)

  • Lowest 13 September, 2026

    35.6 °F

  • Average September

    63.3 °F

  • Highest 7 September, 2026

    95 °F

Climate (2021–2026)

HAZEN (18.6 miles)

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  • Average Low 2021–2026

    30.4 °F

  • Average 2021–2026

    43.1 °F

  • Average High 2021–2026

    54.9 °F
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