Flat Island Weather Forecast

    • 32
    • 40

    Decreasing Clouds

    • 31
    • 41

    Mostly Sunny

    • 29
    • 41

    Mostly Sunny

    • 34
    • 41

    Mostly Cloudy

    • 38
    • 46

    Rain Likely

    • 32
    • 45

    Chance Rain

Today 17 Nov Coastal Waldo

Mostly cloudy with scattered snow Showers or isolated rain Showers this Morning, then partly sunny this afternoon. Highs around 40. West Winds around 15 Mph with Gusts up to 30 Mph. Chance of precipitation 40 percent.

Tonight 17 Nov Coastal Waldo

Mostly clear. Lows in the upper 20s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Flat Island Temperature Statistics

November Temperature

Rockland, Knox County Regional Airport (18.6 miles)

  • Lowest 3 November, 2025

    25 °F

  • Average November

    41.6 °F

  • Highest 8 November, 2025

    57 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (18.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.3 °F
Get WillyWeather+ to remove ads