City of Spearfish Weather Forecast

    • 35
    • 45

    Mostly Cloudy

    • 27
    • 50

    Chance Snow

    • 27
    • 41

    Rain/Snow

    • 8
    • 36

    Chance Snow

    • 8
    • 17

    Chance Snow

    • 16
    • 28

    Mostly Cloudy

Today 8 Dec Northern Foothills

Partly cloudy. A slight chance of snow this morning. Breezy with Highs in the mid 40s. West Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of snow 20 percent.

Tonight 8 Dec Northern Foothills

Mostly cloudy. A slight chance of rain and snow after midnight. Breezy with Lows in the mid 30s. West Winds 15 to 25 Mph. Gusts up to 35 Mph after midnight. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

City of Spearfish Temperature Statistics

December Temperature

Spearfish / Clyde Ice (3.1 miles)

  • Lowest 3 December, 2025

    6.8 °F

  • Average December

    29.4 °F

  • Highest 1 December, 2025

    37.4 °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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