Castle Rock Weather Forecast

    • 28
    • 47

    Chance Snow

    • 23
    • 36

    Snow Likely

    • 26
    • 43

    Breezy

    • 28
    • 57

    Rain/Snow Likely

    • 28
    • 46

    Chance Rain/Snow

    • 15
    • 44

    Rain/Snow

    • 16
    • 30

    Chance Snow

Today 9 Mar Butte

Partly cloudy with a 20 percent chance of rain. Breezy, cooler with Highs around 50. Northeast Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 9 Mar Butte

Mostly cloudy. A chance of snow and rain in the Evening, then a slight chance of snow after midnight. Lows in the upper 20s. North Winds 10 to 20 Mph with Gusts up to 40 Mph, becoming west 5 to 10 Mph after midnight. Chance of precipitation 50 percent.

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  • Temperature Real-Time

Castle Rock Temperature Statistics

March Temperature

Spearfish / Clyde Ice (37.9 miles)

  • Lowest 1 March, 2026

    14 °F

  • Average March

    41.8 °F

  • Highest 4 March, 2026

    64.4 °F

Climate (2021–Present)

Spearfish / Clyde Ice (37.9 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    58.8 °F
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