Castle Rock Weather Forecast

    • 56
    • 63

    Rain Showers Likely

    • 55
    • 71

    Mostly Cloudy

    • 54
    • 64

    Rain Showers Likely

    • 53
    • 66

    Mostly Cloudy

    • 56
    • 69

    Rain Showers Likely

    • 53
    • 64

    Rain Showers Likely

Today 24 Sep Dakota

Mostly cloudy. Slight chance of rain Showers early in the afternoon. Chance of rain Showers late in the afternoon. Highs in the mid 60s. South Winds 5 to 10 Mph. Chance of Showers 50 percent.

Tonight 24 Sep Dakota

Mostly cloudy. A 50 percent chance of rain Showers in the evening. Lows in the mid 50s. Southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

September Temperature

Minneapolis, Airlake Airport (6.8 miles)

  • Lowest 14 September, 2026

    42.8 °F

  • Average September

    66.2 °F

  • Highest 4 September, 2026

    91.4 °F

Climate (2021–2026)

Minneapolis, Airlake Airport (6.8 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    56.6 °F
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