Cold Spring Harbor Weather Forecast

    • 69
    • 85

    Decreasing Clouds

    • 72
    • 84

    Chance Rain Showers

    • 67
    • 89

    Chance Thunderstorms

    • 64
    • 84

    Mostly Sunny

    • 67
    • 83

    Partly Sunny

    • 70
    • 85

    Slight Chance Rain Showers

Today 18 Jul Northwest Suffolk

Mostly sunny. Highs in the mid 80s. Northwest Winds 10 to 15 Mph.

Tonight 18 Jul Northwest Suffolk

Mostly clear. Lows in the lower 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cold Spring Harbor Temperature Statistics

July Temperature

Farmingdale - Republic Airport (9.9 miles)

  • Lowest 4 July, 2025

    64.7 °F

  • Average July

    77.3 °F

  • Highest 8 July, 2025

    92.6 °F

Climate (2020–Present)

Farmingdale - Republic Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    48.7 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    63.4 °F
Get WillyWeather+ to remove ads