Piscataqua River - Interstate 95 Bridge Weather Forecast

    • 54
    • 72

    Chance Rain Showers

    • 54
    • 71

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 56
    • 78

    Mostly Cloudy

    • 63
    • 74

    Chance Rain Showers

    • 57
    • 81

    Partly Sunny

Today 5 Sep Coastal Rockingham

Partly sunny. A chance of Showers in the afternoon. Highs in the lower 70s. Northeast Winds around 10 Mph. Chance of rain 40 percent.

Tonight 5 Sep Coastal Rockingham

Partly cloudy in the Evening, then clearing. Lows in the mid 50s. Light and variable Winds.

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  • Temperature Real-Time

Piscataqua River - Interstate 95 Bridge Temperature Statistics

September Temperature

Pease Air Force Base / Portsmouth (2.5 miles)

  • Lowest 1 September, 2026

    59.9 °F

  • Average September

    64.4 °F

  • Highest 2 September, 2026

    69.3 °F

Climate (2021–2026)

Pease Air Force Base / Portsmouth (2.5 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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