Piscataqua River - Four Tree Island Weather Forecast

    • 57
    • 75

    Chance Thunderstorms

    • 57
    • 76

    Rain Showers

    • 59
    • 78

    Chance Rain Showers

    • 60
    • 83

    Mostly Sunny

    • 60
    • 80

    Chance Rain Showers

    • 62
    • 77

    Chance Rain Showers

Today 21 Jun Coastal Rockingham

Partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the mid 70s. Light and variable Winds. Chance of rain 50 percent.

Tonight 21 Jun Coastal Rockingham

Mostly clear with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 50s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Piscataqua River - Four Tree Island Temperature Statistics

June Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

  • Lowest 2 June, 2026

    45 °F

  • Average June

    69.9 °F

  • Highest 10 June, 2026

    88.7 °F

Climate (2021–2026)

Pease Air Force Base / Portsmouth (3.1 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    59.1 °F
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