Cos Cob Harbor Weather Forecast

    • 47
    • 62

    Sunny

    • 57
    • 66

    Mostly Sunny

    • 56
    • 74

    Mostly Sunny

    • 52
    • 69

    Mostly Sunny

    • 54
    • 68

    Partly Sunny

    • 58
    • 68

    Chance Rain Showers

Today 6 Oct Southern Fairfield

Sunny. Highs in the lower 60s. Northwest Winds 10 to 15 Mph.

Tonight 6 Oct Southern Fairfield

Mostly clear. Lows around 40. Northwest Winds 5 to 10 Mph.

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Cos Cob Harbor Temperature Statistics

October Temperature

White Plains - Westchester County Airport (6.2 miles)

  • Lowest 4 October, 2026

    53.1 °F

  • Average October

    64.4 °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

    45.8 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    62.2 °F
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