Castle Island Weather Forecast

    • 36
    • 55

    Sunny

    • 46
    • 59

    Mostly Sunny

    • 50
    • 65

    Mostly Sunny

    • 53
    • 66

    Partly Sunny

    • 57
    • 67

    Mostly Cloudy

    • 57
    • 68

    Rain Showers Likely

Today 31 Oct Newport

Sunny, cooler with Highs in the mid 50s. North Winds 10 to 15 Mph.

Tonight 31 Oct Newport

Clear. Lows in the upper 30s. Northwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Island Temperature Statistics

October Temperature

N. Kingston / Quonset (7.5 miles)

  • Lowest 18 October, 2026

    33.8 °F

  • Average October

    55 °F

  • Highest 14 October, 2026

    80.6 °F

Climate (2021–2026)

N. Kingston / Quonset (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    49.7 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    61 °F
Get WillyWeather+ to remove ads