Jewell Island Weather Forecast

    • 57
    • 72

    Becoming Sunny

    • 61
    • 69

    Chance Rain Showers

    • 62
    • 74

    Chance Rain Showers

    • 66
    • 71

    Partly Sunny

    • 66
    • 82

    Slight Chance Thunderstorms

    • 59
    • 70

    Slight Chance Rain Showers

    • 58
    • 65

    Chance Rain Showers

Today 20 Jun Coastal Cumberland

Partly sunny. Highs in the upper 70s. West Winds 15 to 25 Mph with Gusts up to 45 Mph.

Tonight 20 Jun Coastal Cumberland

Mostly clear. Lows in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 35 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jewell Island Temperature Statistics

June Temperature

Portland, Portland International Jetport (10.6 miles)

  • Lowest 15 June, 2025

    44.7 °F

  • Average June

    62.3 °F

  • Highest 5 June, 2025

    86.6 °F

Climate (2020–Present)

Portland, Portland International Jetport (10.6 miles)

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  • Average Low 2020–2025

    40.7 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    57.4 °F
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