Westbrook Weather Forecast

    • 47
    • 78

    Increasing Clouds

    • 51
    • 76

    Mostly Cloudy

    • 54
    • 80

    Partly Sunny

    • 43
    • 78

    Sunny

    • 40
    • 70

    Mostly Sunny

    • 48
    • 74

    Partly Sunny

Today 16 Sep Coastal Cumberland

Patchy fog this morning. Mostly sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 16 Sep Coastal Cumberland

Partly cloudy. Patchy fog after midnight. Lows around 50. Light and variable Winds.

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Westbrook Temperature Statistics

September Temperature

Portland, Portland International Jetport (3.7 miles)

  • Lowest 9 September, 2025

    46 °F

  • Average September

    62.3 °F

  • Highest 11 September, 2025

    80.1 °F

Climate (2020–Present)

Portland, Portland International Jetport (3.7 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    57.4 °F
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