Richmond Island Weather Forecast

    • 66
    • 73

    Chance Rain Showers

    • 61
    • 73

    Chance Rain Showers

    • 60
    • 73

    Mostly Sunny

    • 64
    • 76

    Partly Sunny

    • 61
    • 73

    Chance Rain Showers

    • 62
    • 69

    Chance Rain Showers

Today 27 Aug Coastal Cumberland

Partly sunny. Humid with Highs around 80. South Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 27 Aug Coastal Cumberland

Partly cloudy. A chance of Showers after midnight. Humid with Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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Richmond Island Temperature Statistics

August Temperature

Portland, Portland International Jetport (7.5 miles)

  • Lowest 15 August, 2026

    54.6 °F

  • Average August

    71.6 °F

  • Highest 9 August, 2026

    92.6 °F

Climate (2021–2026)

Portland, Portland International Jetport (7.5 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.3 °F
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