Greenwich Weather Forecast

    • 64
    • 77

    Slight Chance Rain Showers

    • 64
    • 77

    Rain Showers

    • 56
    • 73

    Rain Showers

    • 53
    • 70

    Chance Rain Showers

    • 49
    • 66

    Chance Rain Showers

    • 48
    • 66

    Mostly Sunny

Today 28 Sep Southern Fairfield

Mostly cloudy with a slight chance of Showers late this Morning, then partly sunny this afternoon. Highs in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 28 Sep Southern Fairfield

Mostly cloudy with a 20 percent chance of Showers. Patchy fog after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenwich Temperature Statistics

September Temperature

White Plains - Westchester County Airport (5 miles)

  • Lowest 21 September, 2020

    42.1 °F
  • Average September

    64.4 °F
  • Highest 3 September, 2020

    82 °F

Climate (2010–Present)

White Plains - Westchester County Airport (5 miles)

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  • Average Low 2010–Present

    46.2 °F
  • Average 2010–Present

    53.6 °F
  • Average High 2010–Present

    61.3 °F
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