Bethlehem Weather Forecast

    • 54
    • 82

    Mostly Sunny

    • 60
    • 86

    Chance Thunderstorms

    • 63
    • 91

    Partly Sunny

    • 55
    • 88

    Slight Chance Thunderstorms

    • 51
    • 81

    Mostly Sunny

    • 55
    • 83

    Partly Sunny

Today 26 Aug Northern Black Hills

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the upper 70s. West Winds around 5 Mph, becoming northeast in the afternoon.

Tonight 26 Aug Northern Black Hills

Mostly clear. Lows in the lower 50s. South Winds 5 to 10 Mph.

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Bethlehem Temperature Statistics

August Temperature

Spearfish / Clyde Ice (19.3 miles)

  • Lowest 4 August, 2026

    44.6 °F

  • Average August

    72.6 °F

  • Highest 1 August, 2026

    96.8 °F

Climate (2021–2026)

Spearfish / Clyde Ice (19.3 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    59 °F
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