Whaleboat Island Weather Forecast

    • 57
    • 73

    Partly Sunny

    • 56
    • 74

    Mostly Sunny

    • 55
    • 71

    Chance Rain Showers

    • 59
    • 69

    Rain Showers Likely

    • 59
    • 77

    Slight Chance Rain Showers

    • 57
    • 75

    Partly Sunny

Today 15 Jun Coastal Cumberland

Mostly cloudy with rain and scattered Thunderstorms this Morning, then mostly sunny this afternoon. Highs in the lower 80s. Southwest Winds around 10 Mph, becoming northwest this afternoon. Chance of rain 90 percent.

Tonight 15 Jun Coastal Cumberland

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whaleboat Island Temperature Statistics

June Temperature

Portland, Portland International Jetport (14.9 miles)

  • Lowest 2 June, 2026

    41.6 °F

  • Average June

    65.7 °F

  • Highest 10 June, 2026

    86.6 °F

Climate (2021–Present)

Portland, Portland International Jetport (14.9 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    57.2 °F
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