Old Greenwich Weather Forecast

    • 38
    • 56

    Chance Rain/Snow

    • 33
    • 50

    Chance Rain

    • 38
    • 52

    Partly Sunny

    • 42
    • 56

    Slight Chance Rain

    • 40
    • 53

    Chance Rain

    • 42
    • 53

    Chance Rain

Today 25 Mar Southern Fairfield

Mostly sunny. Highs in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 Mar Southern Fairfield

Partly cloudy in the Evening, then mostly cloudy with a slight chance of rain and snow after midnight. Lows in the mid 30s. West Winds 5 to 10 Mph, becoming north after midnight. Chance of precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Old Greenwich Temperature Statistics

March Temperature

White Plains - Westchester County Airport (7.5 miles)

  • Lowest 3 March, 2025

    15.9 °F

  • Average March

    42.9 °F

  • Highest 10 March, 2025

    65.6 °F

Climate (2020–Present)

White Plains - Westchester County Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    62 °F
Get WillyWeather+ to remove ads