Heron Island Weather Forecast

    • 54
    • 60

    Rain Showers Likely

    • 57
    • 64

    Chance Rain Showers

    • 54
    • 65

    Slight Chance Rain Showers

    • 55
    • 64

    Chance Rain Showers

    • 56
    • 64

    Mostly Cloudy

    • 57
    • 66

    Partly Sunny

Today 18 Jun Coastal Hancock

Cloudy. Patchy fog in the morning. Showers Likely, mainly in the morning. Highs in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 60 percent.

Tonight 18 Jun Coastal Hancock

Cloudy with a 20 percent chance of Showers. Patchy fog in the evening. Areas of fog after midnight. Lows in the mid 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heron Island Temperature Statistics

June Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (24.2 miles)

  • Lowest 3 June, 2025

    41 °F

  • Average June

    59.4 °F

  • Highest 5 June, 2025

    80.1 °F

Climate (2020–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (24.2 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    54.8 °F
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