Mandan Lake Weather Forecast

    • 25
    • 52

    Decreasing Clouds

    • 36
    • 62

    Partly Sunny

    • 41
    • 72

    Partly Sunny

    • 33
    • 64

    Partly Sunny

    • 39
    • 68

    Partly Sunny

    • 44
    • 79

    Partly Sunny

Today 6 May Oliver

Partly sunny. Highs around 50. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 6 May Oliver

Mostly clear. Lows in the mid 20s. North Winds around 5 Mph in the Evening, becoming light and variable.

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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

    53.1 °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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