Castle Island Weather Forecast

    • 8
    • 16

    Increasing Clouds

    • 22
    • 31

    Snow

    • 11
    • 33

    Snow

    • 10
    • 21

    Partly Sunny

    • 8
    • 23

    Partly Sunny

    • 7
    • 22

    Slight Chance Snow

Today 24 Jan Newport

Sunny. Much Colder with Highs around 16. Northwest Winds 15 to 20 Mph. Gusts up to 30 Mph this morning.

Tonight 24 Jan Newport

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Island Temperature Statistics

January Temperature

N. Kingston / Quonset (7.5 miles)

  • Lowest 21 January, 2026

    12.2 °F

  • Average January

    33.5 °F

  • Highest 9 January, 2026

    50 °F

Climate (2021–Present)

N. Kingston / Quonset (7.5 miles)

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  • Average Low 2021–2026

    50.5 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    61.2 °F
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