Islesboro Island - Keller Point Weather Forecast

    • 50
    • 63

    Areas Fog

    • 51
    • 61

    Chance Rain Showers

    • 50
    • 55

    Rain Showers

    • 48
    • 62

    Rain Showers Likely

    • 44
    • 56

    Chance Rain Showers

    • 45
    • 55

    Slight Chance Rain Showers

Today 15 May Coastal Waldo

Mostly cloudy. Highs in the upper 60s. Light and variable Winds, becoming south around 10 Mph in the afternoon.

Tonight 15 May Coastal Waldo

Cloudy. Areas of fog. Lows in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Islesboro Island - Keller Point Temperature Statistics

May Temperature

Rockland, Knox County Regional Airport (19.9 miles)

  • Lowest 1 May, 2025

    41 °F

  • Average May

    49.6 °F

  • Highest 11 May, 2025

    61 °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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