Deer Island Weather Forecast

    • 45
    • 58

    Mostly Cloudy

    • 42
    • 60

    Slight Chance Rain Showers

    • 42
    • 53

    Rain Showers Likely

    • 44
    • 57

    Chance Rain Showers

    • 43
    • 61

    Partly Sunny

    • 47
    • 63

    Partly Sunny

    • 46
    • 63

    Partly Sunny

Today 7 May Coastal Hancock

Cloudy. Areas of fog. Highs in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 7 May Coastal Hancock

Cloudy. Isolated Showers this evening. Areas of fog. Lows in the mid 40s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Deer Island Temperature Statistics

May Temperature

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

  • Lowest 1 May, 2025

    36 °F

  • Average May

    49.2 °F

  • Highest 5 May, 2025

    62.1 °F

Climate (2020–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    54.8 °F
Get WillyWeather+ to remove ads