Mandan Lake Weather Forecast

    • 53
    • 81

    Becoming Sunny

    • 55
    • 88

    Mostly Sunny

    • 54
    • 84

    Chance Rain Showers

    • 55
    • 81

    Chance Rain Showers

    • 55
    • 84

    Chance Rain Showers

    • 53
    • 81

    Chance Rain Showers

Today 7 Aug Oliver

Sunny. Highs around 80. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 7 Aug Oliver

Mostly clear. Lows in the lower 50s. 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

August Temperature

HAZEN (18.6 miles)

  • Lowest 4 August, 2026

    46.4 °F

  • Average August

    72.2 °F

  • Highest 1 August, 2026

    100.4 °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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