Bismark Lake Weather Forecast

    • 37
    • 62

    Increasing Clouds

    • 24
    • 47

    Chance Rain/Snow

    • 23
    • 42

    Partly Sunny

    • 35
    • 53

    Mostly Sunny

    • 31
    • 64

    Chance Snow

    • 21
    • 42

    Snow Likely

    • 21
    • 40

    Slight Chance Snow

Today 13 Mar Central Black Hills

Mostly sunny. Near steady temperature in the upper 50s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 13 Mar Central Black Hills

Partly cloudy. A slight chance of rain after midnight. Lows in the mid 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bismark Lake Temperature Statistics

March Temperature

Custer, Custer County Airport (5.6 miles)

  • Lowest 5 March, 2025

    7.8 °F

  • Average March

    35.1 °F

  • Highest 2 March, 2025

    61.6 °F

Climate (2020–Present)

Custer, Custer County Airport (5.6 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    55.9 °F
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