Flat Island Weather Forecast

    • 23
    • 40

    Increasing Clouds

    • 29
    • 38

    Rain/Snow

    • 28
    • 36

    Mostly Cloudy

    • 11
    • 38

    Slight Chance Snow Showers

    • 20
    • 26

    Partly Sunny

    • 25
    • 36

    Chance Rain/Snow

Today 1 Dec Coastal Waldo

Mostly sunny. Highs in the upper 30s. Temperatures falling into the upper 20s this afternoon. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 1 Dec Coastal Waldo

Mostly clear this afternoon and Evening, then becoming mostly cloudy. Lows around 20. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to around 10 Mph with Gusts up to 20 Mph this Evening, then becoming light and variable after midnight.

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Flat Island Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (18.6 miles)

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  • Average December

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Climate (2020–Present)

Rockland, Knox County Regional Airport (18.6 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.2 °F
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