Castle Rock Weather Forecast

    • 32
    • 44

    Rain/Snow

    • 31
    • 46

    Rain/Snow

    • 31
    • 47

    Rain/Snow Likely

    • 31
    • 57

    Chance Rain Showers

    • 31
    • 55

    Slight Chance Rain Showers

    • 37
    • 63

    Mostly Sunny

Today 26 Apr Butte

Cloudy. A slight chance of rain in the Morning, then rain in the afternoon. Breezy with Highs in the mid 40s. Southeast Winds 20 to 30 Mph with Gusts up to 40 Mph. Chance of rain 90 percent.

Tonight 26 Apr Butte

Partly cloudy. Near steady temperature in the upper 20s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

April Temperature

Spearfish / Clyde Ice (37.9 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    43.4 °F

  • Highest 11 April, 2026

    77 °F

Climate (2021–Present)

Spearfish / Clyde Ice (37.9 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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