Portsmouth Island Weather Forecast

    • 47
    • 55

    Chance Rain

    • 47
    • 51

    Chance Rain

    • 48
    • 57

    Partly Sunny

    • 41
    • 52

    Rain Likely

    • 45
    • 51

    Partly Sunny

    • 50
    • 61

    Partly Sunny

    • 48
    • 58

    Partly Sunny

Today 5 Dec East Carteret

Rain. Highs in the lower 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 5 Dec East Carteret

Cloudy with a 50 percent chance of rain. Patchy fog. Lows in the lower 40s. North Winds 10 to 15 Mph.

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Portsmouth Island Temperature Statistics

December Temperature

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

  • Lowest 3 December, 2025

    39.9 °F

  • Average December

    49.1 °F

  • Highest 2 December, 2025

    64.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    62.9 °F

  • Average 2020–2025

    68.3 °F

  • Average High 2020–2025

    74.4 °F
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