Flat Island Weather Forecast

    • 42
    • 50

    Chance Rain Showers

    • 39
    • 52

    Partly Sunny

    • 40
    • 52

    Partly Sunny

    • 47
    • 52

    Rain Likely

    • 46
    • 55

    Rain Likely

    • 43
    • 52

    Rain Showers

Today 27 Oct Coastal Waldo

Partly sunny. A slight chance of Showers this afternoon. Highs in the lower 50s. North Winds around 10 Mph. Chance of rain 20 percent.

Tonight 27 Oct Coastal Waldo

Partly cloudy. A slight chance of Showers in the evening. Lows in the upper 30s. North Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flat Island Temperature Statistics

October Temperature

Rockland, Knox County Regional Airport (18.6 miles)

  • Lowest 10 October, 2025

    32 °F

  • Average October

    52.8 °F

  • Highest 6 October, 2025

    77 °F

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

    55.3 °F
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