Portsmouth Weather Forecast

    • 9
    • 31

    Increasing Clouds

    • 8
    • 29

    Mostly Sunny

    • 16
    • 26

    Flurries Likely

    • -1
    • 27

    Flurries Likely

    • 0
    • 17

    Partly Sunny

    • 7
    • 23

    Partly Sunny

    • 12
    • 29

    Partly Sunny

Today 4 Feb Coastal Rockingham

Partly sunny. Highs in the lower 30s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 4 Feb Coastal Rockingham

Mostly clear. Lows around 9 above. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

February Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

  • Lowest 1 February, 2026

    4.8 °F

  • Average February

    18.6 °F

  • Highest 2 February, 2026

    33.6 °F

Climate (2021–Present)

Pease Air Force Base / Portsmouth (3.1 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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