Norton Island Weather Forecast

    • 45
    • 63

    Becoming Sunny

    • 44
    • 61

    Mostly Sunny

    • 49
    • 64

    Partly Sunny

    • 51
    • 61

    Rain Showers Likely

    • 51
    • 61

    Rain Showers Likely

    • 50
    • 61

    Chance Rain Showers

Today 22 Sep Knox

Partly sunny. Highs in the lower 60s. Northeast Winds around 10 Mph.

Tonight 22 Sep Knox

Mostly clear. Lows in the lower 40s. Light and variable Winds.

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  • Temperature Real-Time

Norton Island Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (6.2 miles)

  • Lowest 19 September, 2026

    43 °F

  • Average September

    61 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (6.2 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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