Cos Cob Weather Forecast

    • 68
    • 85

    Partly Sunny

    • 73
    • 90

    Mostly Sunny

    • 73
    • 98

    Chance Thunderstorms

    • 71
    • 88

    Chance Rain Showers

    • 69
    • 83

    Chance Thunderstorms

    • 70
    • 85

    Partly Sunny

Today 23 Jul Southern Fairfield

Mostly sunny. Highs in the mid 80s. East Winds around 5 Mph, becoming south in the afternoon.

Tonight 23 Jul Southern Fairfield

Mostly clear. Lows in the lower 60s. Light and variable Winds.

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Cos Cob Temperature Statistics

July Temperature

White Plains - Westchester County Airport (5.6 miles)

  • Lowest 4 July, 2025

    61.6 °F

  • Average July

    78 °F

  • Highest 8 July, 2025

    94.6 °F

Climate (2020–Present)

White Plains - Westchester County Airport (5.6 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    62.3 °F
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