Cos Cob Harbor Weather Forecast

    • 71
    • 87

    Slight Chance Thunderstorms

    • 75
    • 92

    Slight Chance Thunderstorms

    • 77
    • 98

    Hot

    • 75
    • 99

    Chance Thunderstorms

    • 72
    • 96

    Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

Today 30 Jun Southern Fairfield

Mostly sunny. Highs in the upper 80s. Southwest Winds around 5 Mph, increasing to south 10 to 15 Mph with Gusts up to 25 Mph this afternoon.

Tonight 30 Jun Southern Fairfield

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the upper 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Cos Cob Harbor Temperature Statistics

June Temperature

White Plains - Westchester County Airport (6.2 miles)

  • Lowest 2 June, 2026

    46 °F

  • Average June

    70.3 °F

  • Highest 11 June, 2026

    91 °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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