Old Greenwich Weather Forecast

    • 34
    • 46

    Gradual Clearing

    • 35
    • 45

    Partly Sunny

    • 42
    • 50

    Rain Likely

    • 38
    • 48

    Rain

    • 31
    • 45

    Chance Rain

    • 31
    • 40

    Partly Sunny

Today 7 Jan Southern Fairfield

Mostly cloudy with a slight chance of rain in the Morning, then mostly sunny in the afternoon. Highs in the mid 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 7 Jan Southern Fairfield

Mostly clear. Lows in the lower 30s. West Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Old Greenwich Temperature Statistics

January Temperature

White Plains - Westchester County Airport (7.5 miles)

  • Lowest 1 January, 2026

    14 °F

  • Average January

    24.8 °F

  • Highest 1 January, 2026

    33.1 °F

Climate (2021–Present)

White Plains - Westchester County Airport (7.5 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.3 °F
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