Cos Cob Weather Forecast

    • 28
    • 36

    Partly Sunny

    • 34
    • 42

    Slight Chance Snow Showers

    • 37
    • 50

    Chance Rain

    • 38
    • 52

    Chance Rain

    • 37
    • 56

    Chance Rain/Snow

    • 28
    • 51

    Mostly Sunny

Today 18 Mar Southern Fairfield

Mostly sunny. Cold with Highs in the mid 30s. Northwest Winds 5 to 10 Mph, becoming southeast this afternoon.

Tonight 18 Mar Southern Fairfield

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 20s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cos Cob Temperature Statistics

March Temperature

White Plains - Westchester County Airport (5.6 miles)

  • Lowest 2 March, 2026

    17.1 °F

  • Average March

    41.7 °F

  • Highest 10 March, 2026

    77 °F

Climate (2021–Present)

White Plains - Westchester County Airport (5.6 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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