Mandan Lake Weather Forecast

    • 51
    • 84

    Becoming Sunny

    • 56
    • 83

    Partly Sunny

    • 60
    • 85

    Chance Thunderstorms

    • 57
    • 88

    Slight Chance Thunderstorms

    • 52
    • 82

    Mostly Sunny

    • 53
    • 82

    Partly Sunny

Today 21 Aug Oliver

Sunny. A slight chance of Showers in the afternoon. Highs in the lower 80s. Northwest Winds around 5 Mph, becoming north with Gusts up to 20 Mph in the afternoon. Chance of rain 20 percent.

Tonight 21 Aug Oliver

Mostly clear. Lows in the lower 50s. North Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mandan Lake Temperature Statistics

August Temperature

HAZEN (18.6 miles)

  • Lowest 5 August, 2026

    41 °F

  • Average August

    69.2 °F

  • Highest 1 August, 2026

    100.4 °F

Climate (2021–2026)

HAZEN (18.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    30.4 °F

  • Average 2021–2026

    43.1 °F

  • Average High 2021–2026

    54.9 °F
Get WillyWeather+ to remove ads