The Plains Weather Forecast

    • 65
    • 78

    Becoming Sunny

    • 60
    • 80

    Mostly Sunny

    • 59
    • 69

    Mostly Sunny

    • 59
    • 68

    Partly Sunny

    • 65
    • 73

    Partly Sunny

    • 67
    • 78

    Partly Sunny

Today 18 Sep Southern Fairfield

Patchy fog this morning. Partly sunny with a slight chance of Showers this Morning, then sunny this afternoon. Highs around 80. North Winds around 5 Mph, becoming west this afternoon. Chance of rain 20 percent.

Tonight 18 Sep Southern Fairfield

Clear. Lows around 60. West Winds around 5 Mph.

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The Plains Temperature Statistics

September Temperature

White Plains - Westchester County Airport (15.5 miles)

  • Lowest 8 September, 2025

    48.9 °F

  • Average September

    66.4 °F

  • Highest 6 September, 2025

    82 °F

Climate (2020–Present)

White Plains - Westchester County Airport (15.5 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    62.4 °F
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