Portsmouth Weather Forecast

    • 72
    • 80

    Rain Showers

    • 72
    • 78

    Rain Showers

    • 74
    • 81

    Chance Rain Showers

    • 74
    • 82

    Chance Rain Showers

    • 74
    • 80

    Chance Rain Showers

    • 72
    • 80

    Chance Thunderstorms

    • 70
    • 80

    Chance Thunderstorms

Today 21 May East Carteret

Sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. South Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 21 May East Carteret

Partly cloudy this Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

May Temperature

Piney Island, Bt-11 Bombing Range (22.4 miles)

  • Lowest 8 May, 2026

    54 °F

  • Average May

    68.3 °F

  • Highest 17 May, 2026

    84 °F

Climate (2021–Present)

Piney Island, Bt-11 Bombing Range (22.4 miles)

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  • Average Low 2021–2026

    62.9 °F

  • Average 2021–2026

    68.4 °F

  • Average High 2021–2026

    74.5 °F
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