Castle Rock Weather Forecast

    • 59
    • 92

    Chance Thunderstorms

    • 58
    • 88

    Chance Thunderstorms

    • 59
    • 92

    Mostly Sunny

    • 60
    • 94

    Slight Chance Thunderstorms

    • 61
    • 93

    Chance Thunderstorms

    • 59
    • 91

    Rain Showers Likely

Today 18 Aug Elbert/Central and East Douglas Counties Above 6000 Feet

Partly cloudy. Slight chance of Thunderstorms late in the afternoon. Highs near 90. Chance of precipitation 20 percent.

Tonight 18 Aug Elbert/Central and East Douglas Counties Above 6000 Feet

Mostly cloudy with a slight chance of Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers after midnight. Lows in the mid to upper 50s. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

August Temperature

Denver - Centennial Airport (12.4 miles)

  • Lowest 5 August, 2026

    51.7 °F

  • Average August

    75.9 °F

  • Highest 2 August, 2026

    100.7 °F

Climate (2021–2026)

Denver - Centennial Airport (12.4 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    66.1 °F
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