Islesboro Island - Grindel Point Weather Forecast

    • 33
    • 40

    Increasing Clouds

    • 40
    • 44

    Mostly Cloudy

    • 44
    • 50

    Rain

    • 33
    • 50

    Rain Likely

    • 33
    • 45

    Partly Sunny

    • 39
    • 49

    Mostly Cloudy

Today 14 Mar Coastal Waldo

Mostly sunny. Highs in the mid 40s. Light and variable Winds, becoming south around 10 Mph this afternoon.

Tonight 14 Mar Coastal Waldo

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog in the Evening, then Areas of dense fog after midnight. Lows in the lower 30s. South Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Islesboro Island - Grindel Point Temperature Statistics

March Temperature

Rockland, Knox County Regional Airport (16.8 miles)

  • Lowest 3 March, 2025

    1 °F

  • Average March

    31.1 °F

  • Highest 11 March, 2025

    48.9 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (16.8 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.3 °F
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