Mandan Lake Weather Forecast

    • 59
    • 86

    Mostly Sunny

    • 64
    • 93

    Mostly Sunny

    • 62
    • 98

    Hot

    • 49
    • 83

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 56
    • 84

    Partly Sunny

Today 31 Jul Oliver

Sunny. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 31 Jul Oliver

Increasing Clouds. Lows in the upper 50s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Mandan Lake Temperature Statistics

July Temperature

HAZEN (18.6 miles)

  • Lowest 22 July, 2026

    46.4 °F

  • Average July

    75.1 °F

  • Highest 12 July, 2026

    104 °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

    55 °F
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