Piscataqua River - Atlantic Heights Weather Forecast

    • 58
    • 81

    Rain Showers

    • 51
    • 67

    Rain Showers Likely

    • 49
    • 75

    Mostly Sunny

    • 50
    • 71

    Mostly Sunny

    • 51
    • 71

    Partly Sunny

    • 49
    • 78

    Partly Sunny

Today 6 Sep Coastal York

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Highs in the upper 70s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 6 Sep Coastal York

Rain and scattered Thunderstorms this Evening, then Showers likely after midnight. Patchy fog after midnight. Some Thunderstorms may produce heavy rainfall this evening. Lows in the mid 50s. West Winds around 10 Mph with Gusts up to 20 Mph this Evening, becoming light and variable. Chance of rain 90 percent.

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Piscataqua River - Atlantic Heights Temperature Statistics

September Temperature

Pease Air Force Base / Portsmouth (2.5 miles)

  • Lowest 4 September, 2025

    53.2 °F

  • Average September

    65.9 °F

  • Highest 2 September, 2025

    78.3 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (2.5 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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