Thompson Island Weather Forecast

    • 33
    • 45

    Rain

    • 29
    • 46

    Rain Showers

    • 32
    • 45

    Partly Sunny

    • 35
    • 43

    Chance Rain Showers

    • 35
    • 48

    Slight Chance Rain Showers

    • 36
    • 49

    Partly Sunny

Today 19 Apr Coastal Hancock

Cloudy. A chance of rain this Morning, then rain this afternoon. Widespread fog this Morning, then Areas of fog this afternoon. Highs in the mid 40s. South Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 19 Apr Coastal Hancock

Patchy fog in the evening. Cloudy with rain with isolated Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 30s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Island Temperature Statistics

April Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (1.2 miles)

  • Lowest 9 April, 2026

    26.1 °F

  • Average April

    40.9 °F

  • Highest 17 April, 2026

    66.9 °F

Climate (2021–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (1.2 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    54.6 °F
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