Flat Island Weather Forecast

    • 23
    • 34

    Partly Sunny

    • 35
    • 39

    Rain/Snow

    • 27
    • 40

    Rain Showers

    • 18
    • 31

    Partly Sunny

    • 22
    • 31

    Snow Showers

    • 23
    • 31

    Snow Showers

Today 3 Dec Coastal Waldo

Partly sunny. Highs in the lower 30s. Light and variable Winds.

Tonight 3 Dec Coastal Waldo

Partly cloudy. Lows around 18. Light and variable Winds.

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  • Temperature Real-Time

Flat Island Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (18.6 miles)

  • Lowest 1 December, 2024

    23 °F

  • Average December

    30 °F

  • Highest 1 December, 2024

    37 °F

Climate (2019–Present)

Rockland, Knox County Regional Airport (18.6 miles)

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  • Average Low 2019–2024

    39.9 °F

  • Average 2019–2024

    48 °F

  • Average High 2019–2024

    55.4 °F
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