Horse Island Weather Forecast

    • 61
    • 70

    Mostly Sunny

    • 63
    • 72

    Mostly Sunny

    • 60
    • 70

    Partly Sunny

    • 61
    • 68

    Partly Sunny

    • 61
    • 69

    Partly Sunny

    • 62
    • 69

    Mostly Sunny

    • 63
    • 71

    Mostly Sunny

Today 3 Aug Coastal Cumberland

Mostly sunny. Hazy. Highs around 80. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 3 Aug Coastal Cumberland

Hazy in the evening. Mostly clear. Lows in the upper 50s. South Winds around 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Horse Island Temperature Statistics

August Temperature

Portland, Portland International Jetport (14.3 miles)

  • Lowest 1 August, 2025

    57.9 °F

  • Average August

    65 °F

  • Highest 1 August, 2025

    72 °F

Climate (2020–Present)

Portland, Portland International Jetport (14.3 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    57.4 °F
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