Portsmouth Weather Forecast

    • 34
    • 54

    Decreasing Clouds

    • 38
    • 54

    Chance Rain

    • 40
    • 55

    Chance Rain

    • 41
    • 55

    Chance Rain

    • 43
    • 57

    Rain Likely

    • 40
    • 58

    Chance Rain

Today 26 Oct Coastal Rockingham

Partly sunny. Highs in the mid 50s. Light and variable Winds.

Tonight 26 Oct Coastal Rockingham

Partly cloudy in the Evening, then clearing. Lows in the mid 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

October Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

  • Lowest 10 October, 2025

    31.6 °F

  • Average October

    56.1 °F

  • Highest 6 October, 2025

    86.2 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (3.1 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.5 °F
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