Mamaroneck Weather Forecast

    • 71
    • 88

    Slight Chance Thunderstorms

    • 67
    • 87

    Chance Rain Showers

    • 65
    • 85

    Mostly Sunny

    • 65
    • 80

    Partly Sunny

    • 68
    • 82

    Rain Showers Likely

    • 65
    • 82

    Chance Rain Showers

Today 12 Aug Southern Westchester

Sunny. A slight chance of Showers this morning. Highs in the upper 80s. North Winds around 5 Mph. Chance of rain 20 percent.

Tonight 12 Aug Southern Westchester

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows around 70. Southwest Winds around 5 Mph, becoming west after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mamaroneck Temperature Statistics

August Temperature

White Plains - Westchester County Airport (7.5 miles)

  • Lowest 4 August, 2026

    61 °F

  • Average August

    76.4 °F

  • Highest 7 August, 2026

    89.1 °F

Climate (2021–2026)

White Plains - Westchester County Airport (7.5 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    62.3 °F
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