Piscataqua River - Interstate 95 Bridge Weather Forecast

    • 59
    • 71

    Chance Rain Showers

    • 61
    • 72

    Rain Showers

    • 50
    • 74

    Mostly Sunny

    • 54
    • 68

    Partly Sunny

    • 59
    • 76

    Partly Sunny

    • 57
    • 75

    Chance Rain Showers

Today 12 Sep Coastal Rockingham

Sunny in the Morning, then becoming partly sunny. Highs in the lower 70s. Light and variable Winds, becoming southeast around 10 Mph in the afternoon.

Tonight 12 Sep Coastal Rockingham

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the upper 50s. South Winds around 10 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Piscataqua River - Interstate 95 Bridge Temperature Statistics

September Temperature

Pease Air Force Base / Portsmouth (2.5 miles)

  • Lowest 7 September, 2026

    54.5 °F

  • Average September

    66.2 °F

  • Highest 4 September, 2026

    82.8 °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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