Castle Rock Weather Forecast

    • 31
    • 53

    Mostly Cloudy

    • 31
    • 41

    Wintry Mix

    • 28
    • 39

    Rain/Snow

    • 34
    • 43

    Rain Showers

    • 29
    • 42

    Rain Showers Likely

    • 28
    • 45

    Partly Sunny

Today 31 Mar Dakota

Much cooler. Mostly cloudy. Highs in the lower 50s. North Winds 10 to 20 Mph.

Tonight 31 Mar Dakota

Mostly cloudy. Lows in the lower 30s. North Winds 5 to 15 Mph.

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  • Temperature Real-Time

Castle Rock Temperature Statistics

March Temperature

Minneapolis, Airlake Airport (6.8 miles)

  • Lowest 16 March, 2026

    3.2 °F

  • Average March

    37.7 °F

  • Highest 21 March, 2026

    77 °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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