Sister Island Weather Forecast

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    Chance Rain Showers

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    Chance Rain Showers

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    Rain Showers

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    • 54

    Mostly Cloudy

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    Rain Showers

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    Rain Showers

Today 30 Apr Coastal Cumberland

Mostly cloudy with a chance of Showers with isolated Thunderstorms. Highs in the lower 50s. East Winds around 10 Mph, becoming southeast. Chance of rain 50 percent.

Tonight 30 Apr Coastal Cumberland

Cloudy with a 40 percent chance of Showers. Lows in the lower 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sister Island Temperature Statistics

April Temperature

Portland, Portland International Jetport (17.4 miles)

  • Lowest 26 April, 2024

    26.9 °F

  • Average April

    44.2 °F

  • Highest 16 April, 2024

    65.6 °F

Climate (2019–Present)

Portland, Portland International Jetport (17.4 miles)

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  • Average Low 2019–2024

    40.8 °F

  • Average 2019–2024

    49 °F

  • Average High 2019–2024

    57.1 °F
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