Deer Island Weather Forecast

    • 57
    • 69

    Rain Showers

    • 55
    • 68

    Rain Showers

    • 56
    • 70

    Chance Rain Showers

    • 57
    • 73

    Chance Rain Showers

    • 58
    • 78

    Chance Rain Showers

    • 56
    • 75

    Slight Chance Rain Showers

Today 11 Jun Coastal Hancock

Areas of fog this morning. Mostly cloudy with scattered Showers this Morning, then partly sunny this afternoon. Visibility one quarter mile or less at Times this morning. Highs in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 11 Jun Coastal Hancock

Mostly cloudy. Areas of fog. Isolated Showers after midnight. Visibility one quarter mile or less at Times. Lows in the mid 50s. South Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deer Island Temperature Statistics

June Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (19.9 miles)

  • Lowest 1 June, 2026

    37 °F

  • Average June

    57.1 °F

  • Highest 5 June, 2026

    79 °F

Climate (2021–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (19.9 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    54.4 °F
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