Islesboro Island - Billys Shore Weather Forecast

    • 55
    • 63

    Dense Fog

    • 60
    • 63

    Mostly Cloudy

    • 56
    • 76

    Slight Chance Rain Showers

    • 57
    • 73

    Slight Chance Rain Showers

    • 61
    • 76

    Partly Sunny

    • 63
    • 78

    Partly Sunny

Today 18 Jun Coastal Waldo

Patchy fog late this morning. Cloudy. Highs around 70. Light and variable Winds, becoming south around 10 Mph with Gusts up to 20 Mph this afternoon.

Tonight 18 Jun Coastal Waldo

Cloudy. Patchy fog in the Evening, then Areas of fog after midnight. Lows in the upper 50s. South Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Islesboro Island - Billys Shore Temperature Statistics

June Temperature

Rockland, Knox County Regional Airport (20.5 miles)

  • Lowest 3 June, 2025

    39.9 °F

  • Average June

    58.5 °F

  • Highest 12 June, 2025

    80.1 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (20.5 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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