Castle Island Weather Forecast

    • 41
    • 51

    Increasing Clouds

    • 41
    • 52

    Chance Rain

    • 41
    • 54

    Slight Chance Rain Showers

    • 44
    • 57

    Mostly Cloudy

    • 48
    • 56

    Rain Showers Likely

    • 46
    • 56

    Chance Rain Showers

Today 25 Apr Newport

Mostly sunny this Morning, then becoming cloudy. Highs around 50. East Winds 5 to 10 Mph, becoming southeast this afternoon.

Tonight 25 Apr Newport

Cloudy. A slight chance of rain after midnight. Near steady temperature in the lower 40s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Island Temperature Statistics

April Temperature

N. Kingston / Quonset (7.5 miles)

  • Lowest 8 April, 2026

    30.2 °F

  • Average April

    47.6 °F

  • Highest 16 April, 2026

    78.8 °F

Climate (2021–Present)

N. Kingston / Quonset (7.5 miles)

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  • Average Low 2021–2026

    50 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    60.8 °F
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