Castle Rock Weather Forecast

    • 32
    • 40

    Increasing Clouds

    • 33
    • 43

    Rain

    • 33
    • 36

    Mostly Cloudy

    • 17
    • 38

    Slight Chance Rain

    • 27
    • 31

    Chance Snow

    • 32
    • 38

    Chance Rain

    • 23
    • 38

    Partly Sunny

Today 1 Dec Eastern Essex

Sunny. Highs around 40. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 1 Dec Eastern Essex

Partly cloudy this Evening, then becoming mostly cloudy. Cooler with Lows in the mid 20s. Northwest Winds 5 to 10 Mph.

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Castle Rock Temperature Statistics

December Temperature

Boston, Logan International Airport (6.2 miles)

  • Lowest

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  • Average December

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Climate (2020–Present)

Boston, Logan International Airport (6.2 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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