Grass Island Weather Forecast

    • 67
    • 78

    Sunny

    • 69
    • 79

    Mostly Sunny

    • 70
    • 78

    Chance Rain Showers

    • 64
    • 77

    Chance Thunderstorms

    • 61
    • 74

    Mostly Sunny

    • 59
    • 72

    Mostly Sunny

Today 22 Aug Southern Fairfield

Sunny. Highs in the lower 80s. North Winds around 5 Mph.

Tonight 22 Aug Southern Fairfield

Clear. Lows in the lower 60s. West Winds around 5 Mph.

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  • Temperature Real-Time

Grass Island Temperature Statistics

August Temperature

White Plains - Westchester County Airport (8.7 miles)

  • Lowest 9 August, 2025

    56.6 °F

  • Average August

    73 °F

  • Highest 12 August, 2025

    90.6 °F

Climate (2020–Present)

White Plains - Westchester County Airport (8.7 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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