Castle Rock Weather Forecast

    • 45
    • 51

    Mostly Cloudy

    • 48
    • 51

    Chance Rain Showers

    • 49
    • 51

    Chance Rain

    • 53
    • 57

    Rain

    • 49
    • 55

    Chance Rain Showers

    • 47
    • 53

    Slight Chance Rain Showers

    • 47
    • 53

    Partly Sunny

Today 27 Oct Eastern Essex

Mostly cloudy. Near steady temperature in the lower 50s. North Winds 5 to 10 Mph.

Tonight 27 Oct Eastern Essex

Partly cloudy. Lows around 40. North Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

October Temperature

Boston, Logan International Airport (6.2 miles)

  • Lowest 10 October, 2025

    41 °F

  • Average October

    57.5 °F

  • Highest 6 October, 2025

    82.9 °F

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

    61.2 °F
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