City of Spearfish Weather Forecast

    • 39
    • 59

    Mostly Sunny

    • 44
    • 65

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

    • 37
    • 63

    Chance Rain Showers

    • 32
    • 50

    Chance Rain/Snow

Today 23 Oct Northern Foothills

Mostly sunny. Highs in the upper 50s. South Winds 5 to 10 Mph, becoming east in the afternoon.

Tonight 23 Oct Northern Foothills

Mostly clear. Lows in the upper 30s. Southwest Winds 5 to 10 Mph.

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City of Spearfish Temperature Statistics

October Temperature

Spearfish / Clyde Ice (3.1 miles)

  • Lowest 13 October, 2025

    26.6 °F

  • Average October

    53.2 °F

  • Highest 3 October, 2025

    89.6 °F

Climate (2020–Present)

Spearfish / Clyde Ice (3.1 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    58.3 °F
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