Castle Rock Weather Forecast

    • 45
    • 72

    Becoming Sunny

    • 52
    • 75

    Increasing Clouds

    • 55
    • 73

    Mostly Cloudy

    • 46
    • 75

    Mostly Sunny

    • 41
    • 56

    Chance Rain Showers

    • 40
    • 58

    Slight Chance Rain Showers

    • 39
    • 56

    Partly Sunny

Today 20 Oct Elbert/Central and East Douglas Counties Above 6000 Feet

Partly cloudy. Highs 55 to 61.

Tonight 20 Oct Elbert/Central and East Douglas Counties Above 6000 Feet

Mostly clear. Lows in the lower to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

October Temperature

Denver - Centennial Airport (12.4 miles)

  • Lowest 16 October, 2026

    31.6 °F

  • Average October

    61.6 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Denver - Centennial Airport (12.4 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    66.2 °F
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