Castle Island Weather Forecast

    • 70
    • 85

    Rain Showers Likely

    • 67
    • 82

    Chance Rain Showers

    • 65
    • 87

    Mostly Sunny

    • 63
    • 83

    Mostly Sunny

    • 67
    • 83

    Partly Sunny

    • 71
    • 86

    Mostly Cloudy

Today 1 Jul Newport

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms this Morning, then mostly sunny with a slight chance of Showers and Thunderstorms this afternoon. Patchy fog this morning. Visibility one quarter mile or less at Times this morning. Highs in the lower 80s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 1 Jul Newport

Showers likely with a chance of Thunderstorms. Patchy fog. Locally heavy rainfall possible in the evening. Humid with Lows in the upper 60s. Southwest Winds 15 to 20 Mph. Chance of rain 70 percent.

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Castle Island Temperature Statistics

July Temperature

N. Kingston / Quonset (7.5 miles)

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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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