Castle Rock Weather Forecast

    • 42
    • 68

    Chance Thunderstorms

    • 43
    • 61

    Rain Showers Likely

    • 44
    • 68

    Chance Thunderstorms

    • 50
    • 77

    Mostly Sunny

    • 52
    • 79

    Slight Chance Thunderstorms

    • 50
    • 76

    Chance Thunderstorms

Today 21 May Elbert/Central and East Douglas Counties Above 6000 Feet

Partly cloudy in the Morning, then Showers likely and chance of Thunderstorms in the afternoon. Highs in the lower to mid 60s. South Winds 10 to 15 Mph in the afternoon. Chance of rain 70 percent.

Tonight 21 May Elbert/Central and East Douglas Counties Above 6000 Feet

Mostly cloudy. Slight chance of Showers after midnight. Lows in the mid 30s to lower 40s. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

May Temperature

Denver - Centennial Airport (12.4 miles)

  • Lowest 6 May, 2026

    29.6 °F

  • Average May

    56.4 °F

  • Highest 13 May, 2026

    85.6 °F

Climate (2021–Present)

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

    65.9 °F
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