Cold Spring Harbor Weather Forecast

    • 70
    • 77

    Rain Showers

    • 63
    • 82

    Mostly Sunny

    • 68
    • 82

    Partly Sunny

    • 70
    • 80

    Rain Showers

    • 66
    • 85

    Rain Showers Likely

    • 65
    • 83

    Mostly Sunny

Today 18 Jul Northwest Suffolk

Showers with a chance of Thunderstorms. Areas of smoke. Some Thunderstorms may produce heavy rainfall. Highs in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 18 Jul Northwest Suffolk

Showers with a chance of Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Some Thunderstorms may be severe with damaging Winds and heavy Rainfall, then some Thunderstorms may produce heavy rainfall after midnight. Humid with Lows in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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Cold Spring Harbor Temperature Statistics

July Temperature

Farmingdale - Republic Airport (9.9 miles)

  • Lowest 7 July, 2026

    63 °F

  • Average July

    77.5 °F

  • Highest 3 July, 2026

    100.9 °F

Climate (2021–2026)

Farmingdale - Republic Airport (9.9 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63.1 °F
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