Castle Rock Weather Forecast

    • 35
    • 46

    Chance Rain Showers

    • 39
    • 46

    Mostly Sunny

    • 41
    • 51

    Chance Rain

    • 39
    • 44

    Rain Likely

    • 41
    • 41

    Rain Likely

    • 36
    • 48

    Rain Likely

Today 26 Mar Eastern Essex

Partly sunny. A chance of rain Showers in the afternoon. Highs in the upper 40s. West Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 26 Mar Eastern Essex

Mostly cloudy. Near steady temperature in the mid 30s. West Winds around 5 Mph.

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Castle Rock Temperature Statistics

March Temperature

Boston, Logan International Airport (6.2 miles)

  • Lowest 3 March, 2025

    12.8 °F

  • Average March

    42.2 °F

  • Highest 16 March, 2025

    69.7 °F

Climate (2020–Present)

Boston, Logan International Airport (6.2 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    60.9 °F
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