Castle Rock Weather Forecast

    • 31
    • 45

    Rain/Snow

    • 37
    • 51

    Rain Showers

    • 39
    • 59

    Rain Showers

    • 41
    • 67

    Chance Thunderstorms

    • 44
    • 67

    Chance Thunderstorms

    • 47
    • 74

    Partly Sunny

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

Rain Showers. Chance of Thunderstorms early in the Afternoon, then snow Showers and slight chance of Thunderstorms late in the afternoon. No snow accumulation. Highs 42 to 48. North Winds 10 to 20 Mph with Gusts up to 30 Mph.

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

Cloudy. Patchy fog through the night. Chance of rain Showers in the evening. Chance of snow Showers through the night. Lows near 30. North Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 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

    57.4 °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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