Castle Rock Weather Forecast

    • 32
    • 51

    Snow Likely

    • 39
    • 43

    Chance Rain

    • 33
    • 45

    Breezy

    • 40
    • 42

    Rain

    • 42
    • 57

    Rain

    • 28
    • 47

    Mostly Sunny

    • 30
    • 37

    Mostly Cloudy

Today 12 Mar Eastern Essex

Rain and snow likely. Little or no snow accumulation. Highs in the lower 50s. Temperature falling into the upper 30s late. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 70 percent.

Tonight 12 Mar Eastern Essex

Cloudy with snow and rain this Evening, then partly cloudy after midnight. Little or no snow accumulation. Cooler with Lows in the mid 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 90 percent.

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Castle Rock Temperature Statistics

March Temperature

Boston, Logan International Airport (6.2 miles)

  • Lowest 2 March, 2026

    12.7 °F

  • Average March

    39.6 °F

  • Highest 10 March, 2026

    73.9 °F

Climate (2021–Present)

Boston, Logan International Airport (6.2 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    61 °F
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