Piscataqua River - Memorial Bridge Weather Forecast

    • 47
    • 77

    Increasing Clouds

    • 48
    • 65

    Mostly Sunny

    • 51
    • 64

    Rain Likely

    • 48
    • 65

    Mostly Cloudy

    • 48
    • 61

    Mostly Cloudy

    • 47
    • 61

    Slight Chance Rain Showers

Today 18 Sep Coastal Rockingham

Patchy fog this morning. Mostly sunny. Highs in the upper 70s. Northwest Winds around 10 Mph.

Tonight 18 Sep Coastal Rockingham

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. Northwest Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Piscataqua River - Memorial Bridge Temperature Statistics

September Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

  • Lowest 15 September, 2026

    45.1 °F

  • Average September

    65.8 °F

  • Highest 10 September, 2026

    86.5 °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

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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