East Yaphank Weather Forecast

    • 72
    • 89

    Chance Thunderstorms

    • 67
    • 86

    Mostly Sunny

    • 71
    • 83

    Chance Thunderstorms

    • 69
    • 82

    Chance Thunderstorms

    • 68
    • 83

    Partly Sunny

    • 70
    • 82

    Slight Chance Rain Showers

Today 17 Jul Southeast Suffolk

Patchy fog in the morning. Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall. Humid with Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent. Heat index Values in the upper 90s in the afternoon.

Tonight 17 Jul Southeast Suffolk

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Humid with Lows in the lower 70s. Southwest Winds 10 to 15 Mph, becoming west 5 to 10 Mph after midnight. Gusts up to 25 Mph. Chance of rain 20 percent.

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East Yaphank Temperature Statistics

July Temperature

Shirley, Brookhaven Airport (0.6 miles)

  • Lowest 5 July, 2025

    59.6 °F

  • Average July

    76.1 °F

  • Highest 8 July, 2025

    90.6 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (0.6 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    63 °F
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