Portsmouth Weather Forecast

    • 6
    • 24

    Decreasing Clouds

    • 9
    • 27

    Partly Sunny

    • 17
    • 29

    Mostly Cloudy

    • 11
    • 31

    Mostly Sunny

    • 20
    • 35

    Partly Sunny

    • 19
    • 38

    Mostly Cloudy

Today 18 Feb Coastal Rockingham

Partly sunny. Highs in the mid 20s. West Winds 15 to 25 Mph with Gusts up to 45 Mph. Wind chill Values as low as 5 below.

Tonight 18 Feb Coastal Rockingham

Partly cloudy. Lows around 7 above. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Wind chill Values as low as 9 below after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

February Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

  • Lowest 2 February, 2025

    1 °F

  • Average February

    24.6 °F

  • Highest 3 February, 2025

    40.3 °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

    50.8 °F

  • Average High 2020–2025

    59.3 °F
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