Horse Thief Lake Weather Forecast

    • 37
    • 56

    Increasing Clouds

    • 33
    • 56

    Mostly Sunny

    • 37
    • 59

    Partly Sunny

    • 44
    • 51

    Slight Chance Rain

    • 44
    • 59

    Mostly Cloudy

    • 39
    • 57

    Rain/Snow Likely

Today 27 Oct Central Black Hills

Sunny. Not as cool with Highs in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 35 Mph.

Tonight 27 Oct Central Black Hills

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Horse Thief Lake Temperature Statistics

October Temperature

Custer, Custer County Airport (12.4 miles)

  • Lowest 16 October, 2026

    26.7 °F

  • Average October

    51.8 °F

  • Highest 5 October, 2026

    81.6 °F

Climate (2021–2026)

Custer, Custer County Airport (12.4 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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