Islesboro Island - Keller Point Weather Forecast

    • 61
    • 78

    Increasing Clouds

    • 61
    • 76

    Partly Sunny

    • 63
    • 80

    Partly Sunny

    • 63
    • 81

    Slight Chance Thunderstorms

    • 61
    • 78

    Chance Rain Showers

    • 57
    • 75

    Slight Chance Rain Showers

    • 54
    • 72

    Mostly Sunny

Today 26 Jul Coastal Waldo

Sunny. Hazy with patchy smoke. Highs around 80. Light and variable Winds.

Tonight 26 Jul Coastal Waldo

Mostly clear in the Evening, then becoming partly cloudy. Hazy with patchy smoke in the evening. Lows in the lower 60s. Southwest Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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Islesboro Island - Keller Point Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (19.9 miles)

  • Lowest 19 July, 2025

    52 °F

  • Average July

    66.4 °F

  • Highest 2 July, 2025

    84 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (19.9 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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