Cow Island Weather Forecast

    • 49
    • 50

    Rain

    • 49
    • 56

    Rain Showers

    • 45
    • 59

    Chance Rain Showers

    • 44
    • 48

    Rain Showers Likely

    • 47
    • 55

    Slight Chance Rain Showers

    • 45
    • 60

    Partly Sunny

Today 6 May Coastal Cumberland

A chance of Showers late this Morning, then Showers this afternoon. Patchy fog. Visibility one quarter mile or less at Times this afternoon. Highs in the lower 50s. East Winds around 10 Mph. Chance of rain near 100 percent.

Tonight 6 May Coastal Cumberland

Isolated Thunderstorms. Rain. Patchy fog in the evening. Areas of fog after midnight. Visibility one quarter mile or less at Times in the evening. Lows in the upper 40s. Light and variable Winds. Chance of rain 90 percent.

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Cow Island Temperature Statistics

May Temperature

Portland, Portland International Jetport (6.2 miles)

  • Lowest 1 May, 2025

    36.6 °F

  • Average May

    51 °F

  • Highest 2 May, 2025

    62.7 °F

Climate (2020–Present)

Portland, Portland International Jetport (6.2 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    49.1 °F

  • Average High 2020–2025

    57.4 °F
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