Castle Island Weather Forecast

    • 65
    • 70

    Partly Sunny

    • 58
    • 74

    Chance Rain Showers

    • 51
    • 68

    Mostly Sunny

    • 53
    • 65

    Partly Sunny

    • 45
    • 68

    Mostly Sunny

    • 43
    • 57

    Sunny

Today 1 Oct Newport

Partly sunny. Highs in the lower 70s. Southwest Winds 10 to 15 Mph.

Tonight 1 Oct Newport

Partly cloudy. Lows in the mid 60s. Southwest Winds 10 to 15 Mph.

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Castle Island Temperature Statistics

October Temperature

N. Kingston / Quonset (7.5 miles)

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  • Average October

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Climate (2021–2026)

N. Kingston / Quonset (7.5 miles)

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  • Average Low 2021–2026

    49.8 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    61 °F
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