Cold Spring Harbor Weather Forecast

    • 59
    • 85

    Slight Chance Thunderstorms

    • 59
    • 81

    Chance Thunderstorms

    • 58
    • 80

    Mostly Cloudy

    • 52
    • 75

    Chance Thunderstorms

    • 50
    • 65

    Chance Rain Showers

    • 40
    • 64

    Rain Showers Likely

    • 36
    • 53

    Mostly Sunny

Today 14 Apr Northwest Suffolk

Sunny. Highs around 80. South Winds around 5 Mph, increasing to 10 to 15 Mph this afternoon.

Tonight 14 Apr Northwest Suffolk

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 20 percent.

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  • Temperature Real-Time

Cold Spring Harbor Temperature Statistics

April Temperature

Farmingdale - Republic Airport (9.9 miles)

  • Lowest 8 April, 2026

    28.9 °F

  • Average April

    47.9 °F

  • Highest 1 April, 2026

    73 °F

Climate (2021–Present)

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 °F
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