Cos Cob Harbor Weather Forecast

    • 41
    • 56

    Rain Showers

    • 34
    • 51

    Slight Chance Rain Showers

    • 42
    • 52

    Partly Sunny

    • 44
    • 61

    Slight Chance Rain Showers

    • 49
    • 67

    Partly Sunny

    • 49
    • 65

    Partly Sunny

Today 19 Apr Southern Fairfield

Patchy fog in the morning. Showers. Highs in the mid 50s. Northeast Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph in the afternoon. Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 19 Apr Southern Fairfield

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west around 5 Mph after midnight.

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Cos Cob Harbor Temperature Statistics

April Temperature

White Plains - Westchester County Airport (6.2 miles)

  • Lowest 8 April, 2026

    27 °F

  • Average April

    51.5 °F

  • Highest 15 April, 2026

    86 °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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