Castle Rock Weather Forecast

    • 41
    • 68

    Chance Thunderstorms

    • 43
    • 62

    Rain Showers

    • 45
    • 68

    Chance Rain Showers

    • 50
    • 79

    Mostly Sunny

    • 52
    • 82

    Chance Thunderstorms

    • 50
    • 79

    Chance Thunderstorms

    • 50
    • 78

    Chance Thunderstorms

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

Partly cloudy. Slight chance of Thunderstorms early in the Afternoon, then a chance of Thunderstorms late in the afternoon. Highs in the 60s. South Winds 10 to 15 Mph with Gusts up to 20 Mph. Chance of precipitation 40 percent.

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

Mostly cloudy. Chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the mid 30s to lower 40s. North Winds 10 to 15 Mph after midnight. Chance of rain 40 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

    55.6 °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

    52.5 °F

  • Average High 2021–2026

    65.9 °F
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