Castle Rock Weather Forecast

    • 60
    • 79

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 50
    • 73

    Chance Rain Showers

    • 54
    • 67

    Rain Showers

    • 52
    • 75

    Rain Showers Likely

    • 50
    • 68

    Slight Chance Rain Showers

Today 10 Sep Dakota

Clear. Areas of fog early in the Morning, then patchy fog late in the morning. Highs in the upper 70s. Light Winds becoming southwest up to 5 Mph.

Tonight 10 Sep Dakota

Clear. Lows in the lower 60s. South Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

September Temperature

Minneapolis, Airlake Airport (6.8 miles)

  • Lowest 1 September, 2026

    60.8 °F

  • Average September

    73.7 °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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