Portsmouth Island Weather Forecast

    • 64
    • 71

    Mostly Sunny

    • 58
    • 71

    Mostly Sunny

    • 56
    • 67

    Sunny

    • 56
    • 65

    Mostly Sunny

    • 62
    • 65

    Partly Sunny

    • 63
    • 67

    Mostly Cloudy

Today 21 Oct East Carteret

Sunny. Highs in the lower 70s. Southwest Winds 10 to 15 Mph.

Tonight 21 Oct East Carteret

Mostly clear in the Evening, then becoming partly cloudy. Breezy and not as cool with Lows in the lower 60s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Island Temperature Statistics

October Temperature

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

  • Lowest 17 October, 2025

    52 °F

  • Average October

    67.5 °F

  • Highest 8 October, 2025

    82 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    63.1 °F

  • Average 2020–2025

    68.5 °F

  • Average High 2020–2025

    74.5 °F
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