Spearfish Weather Forecast

    • 31
    • 49

    Mostly Sunny

    • 30
    • 49

    Mostly Sunny

    • 32
    • 47

    Mostly Cloudy

    • 27
    • 49

    Chance Rain/Snow

    • 10
    • 36

    Snow Likely

    • 6
    • 17

    Chance Snow

Today 29 Jan Northern Foothills

Sunny. Highs around 50. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 29 Jan Northern Foothills

Clear. Lows in the lower 30s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Spearfish Temperature Statistics

January Temperature

Spearfish / Clyde Ice (3.7 miles)

  • Lowest 19 January, 2025

    -14.8 °F

  • Average January

    20.6 °F

  • Highest 16 January, 2025

    55.4 °F

Climate (2020–Present)

Spearfish / Clyde Ice (3.7 miles)

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  • Average Low 2020–2025

    35.7 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    57.7 °F
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