Greenwich Harbor Weather Forecast

    • 57
    • 62

    Rain

    • 60
    • 66

    Rain

    • 58
    • 66

    Rain Showers

    • 58
    • 72

    Mostly Cloudy

    • 61
    • 75

    Mostly Cloudy

    • 63
    • 77

    Partly Sunny

    • 60
    • 76

    Chance Rain Showers

Today 26 Sep Southern Fairfield

Partly sunny. A chance of Showers in the morning. Highs in the lower 70s. Chance of rain 30 percent.

Tonight 26 Sep Southern Fairfield

Periods of rain with isolated Thunderstorms this Evening, then rain with isolated Thunderstorms after midnight. Rain may be heavy at Times after midnight. Very windy with Lows in the upper 50s. North Winds 25 to 35 Mph with Gusts up to 50 Mph. Chance of rain near 100 percent.

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Greenwich Harbor Temperature Statistics

September Temperature

White Plains - Westchester County Airport (5 miles)

  • Lowest 24 September, 2026

    48.9 °F

  • Average September

    67 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

White Plains - Westchester County Airport (5 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.2 °F
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