Flat Island Weather Forecast

    • 38
    • 52

    Slight Chance Rain

    • 40
    • 50

    Partly Sunny

    • 36
    • 50

    Partly Sunny

    • 34
    • 48

    Partly Sunny

    • 36
    • 46

    Partly Sunny

Today 9 Nov Coastal Waldo

Mostly cloudy with a slight chance of Showers this Morning, then partly sunny this afternoon. Highs in the lower 50s. Light and variable Winds, becoming west around 10 Mph this afternoon. Chance of rain 20 percent.

Tonight 9 Nov Coastal Waldo

Partly cloudy. Lows in the lower 30s. Light and variable Winds.

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  • Temperature Real-Time

Flat Island Temperature Statistics

November Temperature

Rockland, Knox County Regional Airport (18.6 miles)

  • Lowest 1 November, 2026

    26.1 °F

  • Average November

    52.8 °F

  • Highest 2 November, 2026

    66.9 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.9 °F
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