Seavey Island Weather Forecast

    • 59
    • 70

    Chance Rain Showers

    • 61
    • 71

    Rain Showers

    • 50
    • 73

    Mostly Sunny

    • 54
    • 68

    Partly Sunny

    • 59
    • 75

    Partly Sunny

    • 57
    • 75

    Chance Rain Showers

Today 12 Sep Coastal York

Mostly sunny. Highs around 70. Light and variable Winds, becoming south around 10 Mph in the afternoon.

Tonight 12 Sep Coastal York

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the mid 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

Seavey Island Temperature Statistics

September Temperature

Pease Air Force Base / Portsmouth (3.7 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 (3.7 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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