Portsmouth Island Weather Forecast

    • 79
    • 86

    Slight Chance Thunderstorms

    • 79
    • 88

    Mostly Sunny

    • 79
    • 88

    Mostly Sunny

    • 80
    • 88

    Partly Sunny

    • 78
    • 88

    Chance Thunderstorms

    • 78
    • 85

    Chance Thunderstorms

    • 79
    • 85

    Slight Chance Thunderstorms

Today 10 Aug East Carteret

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent. Heat index Values up to 102.

Tonight 10 Aug East Carteret

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Island Temperature Statistics

August Temperature

Piney Island, Bt-11 Bombing Range (21.7 miles)

  • Lowest 8 August, 2026

    73.9 °F

  • Average August

    81.6 °F

  • Highest 8 August, 2026

    90 °F

Climate (2021–2026)

Piney Island, Bt-11 Bombing Range (21.7 miles)

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  • Average Low 2021–2026

    62.8 °F

  • Average 2021–2026

    68.3 °F

  • Average High 2021–2026

    74.3 °F
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