Cos Cob Harbor Weather Forecast

    • 63
    • 79

    Slight Chance Thunderstorms

    • 69
    • 81

    Partly Sunny

    • 68
    • 80

    Rain Showers Likely

    • 65
    • 82

    Chance Rain Showers

    • 64
    • 80

    Partly Sunny

    • 67
    • 81

    Partly Sunny

Today 25 Aug Southern Fairfield

Sunny. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 25 Aug Southern Fairfield

Mostly clear. Patchy fog after midnight. Lows around 60. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cos Cob Harbor Temperature Statistics

August Temperature

White Plains - Westchester County Airport (6.2 miles)

  • Lowest 4 August, 2026

    61 °F

  • Average August

    74.3 °F

  • Highest 7 August, 2026

    89.1 °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

    54.1 °F

  • Average High 2021–2026

    62.3 °F
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