Castle Island Weather Forecast

    • 67
    • 81

    Chance Rain Showers

    • 65
    • 87

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 66
    • 82

    Partly Sunny

    • 70
    • 85

    Mostly Cloudy

    • 71
    • 87

    Slight Chance Thunderstorms

Today 2 Jul Newport

Mostly cloudy. Showers likely with a slight chance of Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Humid with Highs in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 2 Jul Newport

Mostly cloudy. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph.

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Castle Island Temperature Statistics

July Temperature

N. Kingston / Quonset (7.5 miles)

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  • Average July

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Climate (2020–Present)

N. Kingston / Quonset (7.5 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    56.4 °F

  • Average High 2020–2025

    61.1 °F
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