Mamaroneck Harbor Weather Forecast

    • 30
    • 43

    Decreasing Clouds

    • 44
    • 50

    Breezy

    • 29
    • 54

    Rain Showers

    • 35
    • 39

    Mostly Cloudy

    • 30
    • 46

    Partly Sunny

    • 27
    • 36

    Mostly Cloudy

Today 17 Dec Southern Westchester

Mostly sunny. Highs in the lower 40s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 17 Dec Southern Westchester

Partly cloudy in the Evening, then becoming mostly clear. Lows around 30. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mamaroneck Harbor Temperature Statistics

December Temperature

White Plains - Westchester County Airport (8.1 miles)

  • Lowest 5 December, 2025

    14 °F

  • Average December

    30.3 °F

  • Highest 10 December, 2025

    44.1 °F

Climate (2020–Present)

White Plains - Westchester County Airport (8.1 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    62.3 °F
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