Mandan Lake Weather Forecast

    • 63
    • 93

    Mostly Cloudy

    • 58
    • 85

    Chance Rain Showers

    • 56
    • 81

    Rain Showers Likely

    • 54
    • 82

    Chance Thunderstorms

    • 51
    • 80

    Chance Rain Showers

    • 51
    • 81

    Chance Rain Showers

    • 52
    • 82

    Chance Thunderstorms

Today 28 May Oliver

Partly sunny. Highs in the lower 90s. South Winds around 20 Mph with Gusts up to 30 Mph.

Tonight 28 May Oliver

Mostly cloudy. Lows in the lower 60s. 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

May Temperature

HAZEN (18.6 miles)

  • Lowest 7 May, 2026

    15.8 °F

  • Average May

    55.3 °F

  • Highest 26 May, 2026

    93.2 °F

Climate (2021–Present)

HAZEN (18.6 miles)

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  • Average Low 2021–2026

    30.3 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    55 °F
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