Yarmouth Weather Forecast

    • 50
    • 76

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 57
    • 75

    Chance Rain Showers

    • 57
    • 70

    Rain Showers

    • 60
    • 73

    Rain Showers Likely

    • 61
    • 80

    Chance Rain Showers

    • 62
    • 83

    Partly Sunny

Today 26 Jul Coastal Cumberland

Partly sunny. Highs in the mid 70s. Southeast Winds around 10 Mph.

Tonight 26 Jul Coastal Cumberland

Partly cloudy in the Evening, then clearing. Lows around 50. Light and variable Winds.

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Yarmouth Temperature Statistics

July Temperature

Portland, Portland International Jetport (12.4 miles)

  • Lowest 24 July, 2026

    54 °F

  • Average July

    72.9 °F

  • Highest 2 July, 2026

    96.7 °F

Climate (2021–2026)

Portland, Portland International Jetport (12.4 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.3 °F
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