Castle Rock Weather Forecast

    • 19
    • 29

    Increasing Clouds

    • 24
    • 28

    Snow Likely

    • 7
    • 28

    Snow

    • 8
    • 18

    Blustery

    • 16
    • 25

    Mostly Sunny

    • 19
    • 29

    Mostly Cloudy

Today 5 Feb Eastern Essex

Sunny. Highs around 30. Northwest Winds 5 to 10 Mph.

Tonight 5 Feb Eastern Essex

Partly cloudy in the Evening, then becoming mostly cloudy. Lows 9 to 15 above. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

February Temperature

Boston, Logan International Airport (6.2 miles)

  • Lowest 1 February, 2026

    8.1 °F

  • Average February

    22.5 °F

  • Highest 2 February, 2026

    34 °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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