Grass Island Weather Forecast

    • 34
    • 36

    Chance Snow

    • 27
    • 41

    Partly Sunny

    • 11
    • 35

    Breezy

    • 12
    • 17

    Snow Likely

    • 16
    • 20

    Snow Likely

    • 15
    • 25

    Chance Snow

Today 21 Jan Southern Fairfield

Mostly cloudy. Highs in the mid 30s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 Jan Southern Fairfield

Mostly cloudy with a 40 percent chance of snow. Not as cool with Lows around 30. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Island Temperature Statistics

January Temperature

White Plains - Westchester County Airport (8.7 miles)

  • Lowest 1 January, 2026

    14 °F

  • Average January

    33.3 °F

  • Highest 9 January, 2026

    51.1 °F

Climate (2021–Present)

White Plains - Westchester County Airport (8.7 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.3 °F
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