Portsmouth Weather Forecast

    • 63
    • 78

    Mostly Sunny

    • 65
    • 79

    Mostly Sunny

    • 67
    • 79

    Mostly Sunny

    • 67
    • 77

    Mostly Sunny

    • 65
    • 78

    Mostly Sunny

Today 13 Sep Norfolk/Portsmouth

Sunny this Morning, then becoming partly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 13 Sep Norfolk/Portsmouth

Partly cloudy. Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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Portsmouth Temperature Statistics

September Temperature

Norfolk, Naval Air Station (6.8 miles)

  • Lowest 3 September, 2025

    62.1 °F

  • Average September

    73 °F

  • Highest 6 September, 2025

    93 °F

Climate (2020–Present)

Norfolk, Naval Air Station (6.8 miles)

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  • Average Low 2020–2025

    55.3 °F

  • Average 2020–2025

    63.1 °F

  • Average High 2020–2025

    71 °F
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