Castle Rock Weather Forecast

    • 30
    • 36

    Mostly Cloudy

    • 34
    • 35

    Wintry Mix

    • 32
    • 38

    Rain

    • 29
    • 37

    Slight Chance Snow

    • 33
    • 37

    Chance Rain/Snow

    • 30
    • 36

    Chance Rain

    • 30
    • 36

    Chance Snow

Today 16 Feb Eastern Essex

Mostly cloudy. Near steady temperature in the mid 30s. Northeast Winds 5 to 10 Mph.

Tonight 16 Feb Eastern Essex

Mostly cloudy. Not as cool with Lows in the upper 20s. Northeast Winds around 5 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

February Temperature

Boston, Logan International Airport (6.2 miles)

  • Lowest 8 February, 2026

    4.6 °F

  • Average February

    25.5 °F

  • Highest 11 February, 2026

    39.9 °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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