Portsmouth Weather Forecast

    • 50
    • 57

    Rain Likely

    • 47
    • 61

    Mostly Cloudy

    • 49
    • 64

    Partly Sunny

    • 56
    • 74

    Partly Sunny

    • 58
    • 76

    Partly Sunny

    • 55
    • 75

    Chance Rain Showers

Today 18 May Coastal Rockingham

Cloudy. Scattered Showers in the Morning, then rain likely in the afternoon. Highs in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 18 May Coastal Rockingham

Cloudy. Rain likely in the Evening, then scattered Showers after midnight. Lows around 50. Northeast Winds around 10 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

May Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

  • Lowest 12 May, 2024

    37.6 °F

  • Average May

    53.7 °F

  • Highest 14 May, 2024

    76.6 °F

Climate (2019–Present)

Pease Air Force Base / Portsmouth (3.1 miles)

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  • Average Low 2019–2024

    42.4 °F

  • Average 2019–2024

    50.6 °F

  • Average High 2019–2024

    59.1 °F
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