Cos Cob Harbor Weather Forecast

    • 48
    • 68

    Mostly Sunny

    • 48
    • 63

    Partly Sunny

    • 45
    • 65

    Mostly Sunny

    • 42
    • 58

    Mostly Sunny

    • 42
    • 58

    Mostly Sunny

    • 48
    • 64

    Mostly Sunny

Today 20 Oct Southern Fairfield

Sunny. Highs in the upper 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Oct Southern Fairfield

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cos Cob Harbor Temperature Statistics

October Temperature

White Plains - Westchester County Airport (6.2 miles)

  • Lowest 17 October, 2026

    36 °F

  • Average October

    58.4 °F

  • Highest 2 October, 2026

    82.9 °F

Climate (2021–2026)

White Plains - Westchester County Airport (6.2 miles)

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  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.2 °F
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