Castle Rock Weather Forecast

    • 39
    • 57

    Rain Showers

    • 42
    • 67

    Chance Thunderstorms

    • 42
    • 60

    Rain Showers Likely

    • 44
    • 68

    Chance Thunderstorms

    • 50
    • 77

    Mostly Sunny

    • 52
    • 79

    Slight Chance Thunderstorms

    • 50
    • 76

    Chance Thunderstorms

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

Chance of Thunderstorms. Showers likely early in the Afternoon, then Showers late in the afternoon. Highs in the 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

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

Showers and chance of Thunderstorms early in the Evening, then mostly cloudy with a chance of Showers during the late evening hours. Partly cloudy after midnight. Lows in the mid 30s to lower 40s.

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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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