Portsmouth Weather Forecast

    • 54
    • 66

    Partly Sunny

    • 54
    • 67

    Partly Sunny

    • 59
    • 69

    Chance Rain Showers

    • 63
    • 78

    Mostly Cloudy

    • 63
    • 82

    Chance Rain Showers

    • 59
    • 79

    Slight Chance Rain Showers

Today 15 Jun Coastal Rockingham

Partly sunny. Highs in the mid 60s. Light and variable Winds, becoming southeast around 10 Mph.

Tonight 15 Jun Coastal Rockingham

Partly cloudy. Lows in the lower 50s. Southeast Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

June Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

  • Lowest 2 June, 2025

    47.1 °F

  • Average June

    65.2 °F

  • Highest 5 June, 2025

    89.4 °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

    59.4 °F
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