Bismark Lake Weather Forecast

    • 47
    • 71

    Partly Sunny

    • 55
    • 78

    Partly Sunny

    • 45
    • 69

    Partly Sunny

    • 46
    • 68

    Mostly Sunny

    • 50
    • 74

    Partly Sunny

    • 49
    • 71

    Rain Showers Likely

Today 15 Jun Central Black Hills

Mostly sunny. Highs in the upper 60s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 15 Jun Central Black Hills

Partly cloudy. Lows in the upper 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming west around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bismark Lake Temperature Statistics

June Temperature

Custer, Custer County Airport (5.6 miles)

  • Lowest 12 June, 2026

    39.9 °F

  • Average June

    61.2 °F

  • Highest 7 June, 2026

    86.6 °F

Climate (2021–Present)

Custer, Custer County Airport (5.6 miles)

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

  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    56.9 °F
Get WillyWeather+ to remove ads