Islesboro Island - Hewes Point Weather Forecast

    • 54
    • 62

    Rain Showers

    • 51
    • 67

    Partly Sunny

    • 51
    • 66

    Mostly Sunny

    • 53
    • 65

    Partly Sunny

    • 48
    • 70

    Mostly Sunny

    • 49
    • 63

    Mostly Sunny

Today 7 Sep Coastal Waldo

Patchy fog this morning. Showers. Highs in the lower 60s. Light and variable Winds. Chance of rain 90 percent.

Tonight 7 Sep Coastal Waldo

Cloudy in the Evening, then becoming partly cloudy. Lows around 50. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Islesboro Island - Hewes Point Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (19.3 miles)

  • Lowest 3 September, 2025

    50 °F

  • Average September

    62.2 °F

  • Highest 1 September, 2025

    75.9 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (19.3 miles)

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

  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.3 °F
Get WillyWeather+ to remove ads