Seavey Island Weather Forecast

    • 54
    • 62

    Increasing Clouds

    • 56
    • 63

    Rain Showers

    • 47
    • 71

    Mostly Sunny

    • 48
    • 61

    Partly Sunny

    • 49
    • 60

    Chance Rain Showers

    • 49
    • 61

    Mostly Cloudy

Today 16 Sep Knox

Mostly sunny. Highs in the upper 60s. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 16 Sep Knox

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seavey Island Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (6.8 miles)

  • Lowest 12 September, 2026

    44.1 °F

  • Average September

    62 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (6.8 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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