Cos Cob Harbor Weather Forecast

    • 40
    • 61

    Rain Showers

    • 39
    • 54

    Slight Chance Rain

    • 30
    • 50

    Mostly Sunny

    • 36
    • 47

    Mostly Sunny

    • 44
    • 56

    Partly Sunny

    • 46
    • 63

    Partly Sunny

Today 5 Apr Southern Fairfield

Areas of dense fog in the morning. A chance of Showers with Areas of heavy drizzle in the Morning, then Showers in the afternoon. Visibility one quarter mile or less at Times in the morning. Highs around 60. Southeast Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of rain near 100 percent.

Tonight 5 Apr Southern Fairfield

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows in the upper 30s. West Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cos Cob Harbor Temperature Statistics

April Temperature

White Plains - Westchester County Airport (6.2 miles)

  • Lowest 2 April, 2026

    37.9 °F

  • Average April

    51.9 °F

  • Highest 1 April, 2026

    75 °F

Climate (2021–Present)

White Plains - Westchester County Airport (6.2 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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