Castle Rock Weather Forecast

    • 30
    • 44

    Rain/Snow

    • 36
    • 50

    Rain Showers

    • 39
    • 59

    Rain Showers

    • 41
    • 65

    Chance Thunderstorms

    • 44
    • 69

    Chance Thunderstorms

    • 48
    • 75

    Slight Chance Thunderstorms

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

Rain Showers in the Morning, then rain Showers, chance of Thunderstorms and slight chance of snow Showers in the afternoon. No snow accumulation. Highs 43 to 49. East Winds 10 to 15 Mph, becoming north in the afternoon. Gusts up to 30 Mph.

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

Cloudy. Chance of rain and snow Showers in the Evening, then a slight chance of snow Showers after midnight. Colder. Lows in the mid 20s to lower 30s. North Winds 10 to 20 Mph in the Evening, becoming light. Gusts up to 30 Mph. Chance of precipitation 50 percent.

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  • 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 °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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