Mandan Lake Weather Forecast

    • 35
    • 62

    Clearing Late

    • 37
    • 72

    Chance Rain Showers

    • 32
    • 62

    Partly Sunny

    • 40
    • 67

    Partly Sunny

    • 44
    • 78

    Partly Sunny

    • 41
    • 75

    Partly Sunny

Today 7 May Oliver

Sunny. Highs around 60. Northwest Winds 10 to 15 Mph.

Tonight 7 May Oliver

Decreasing Clouds. Lows in the mid 30s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mandan Lake Temperature Statistics

May Temperature

HAZEN (18.6 miles)

  • Lowest 1 May, 2026

    19.4 °F

  • Average May

    50.3 °F

  • Highest 3 May, 2026

    75.2 °F

Climate (2021–Present)

HAZEN (18.6 miles)

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  • Average Low 2021–2026

    30.3 °F

  • Average 2021–2026

    43.1 °F

  • Average High 2021–2026

    55 °F
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