Glenbrook Weather Forecast

    • 61
    • 82

    Becoming Sunny

    • 55
    • 83

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

    • 56
    • 73

    Partly Sunny

    • 60
    • 77

    Partly Sunny

    • 62
    • 80

    Partly Sunny

Today 18 Sep Southern Fairfield

Partly sunny. A slight chance of Showers in the morning. Patchy fog in the morning. Highs around 80. North Winds around 5 Mph, becoming southwest in the afternoon. Chance of rain 20 percent.

Tonight 18 Sep Southern Fairfield

Mostly cloudy with a 20 percent chance of Showers. Patchy fog. Near steady temperature in the mid 60s. North Winds around 5 Mph.

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Glenbrook Temperature Statistics

September Temperature

White Plains - Westchester County Airport (9.3 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 (9.3 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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