Castle Rock Weather Forecast

    • 36
    • 62

    Slight Chance Rain Showers

    • 32
    • 58

    Mostly Sunny

    • 47
    • 64

    Partly Sunny

    • 45
    • 74

    Chance Rain Showers

    • 43
    • 68

    Partly Sunny

    • 52
    • 73

    Chance Rain Showers

Today 9 May Dakota

Cloudy with a 50 percent chance of rain Showers early in the Morning, then mostly sunny in the late morning and afternoon. Highs in the lower 60s. Northwest Winds 5 to 15 Mph increasing to 15 to 20 Mph in the afternoon.

Tonight 9 May Dakota

Colder. Mostly clear. Lows in the upper 30s. Northwest Winds 5 to 15 Mph decreasing to up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

May Temperature

Minneapolis, Airlake Airport (6.8 miles)

  • Lowest 6 May, 2026

    28.4 °F

  • Average May

    49 °F

  • Highest 3 May, 2026

    68 °F

Climate (2021–Present)

Minneapolis, Airlake Airport (6.8 miles)

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  • Average Low 2021–2026

    37 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    56.6 °F
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