Yaphank Weather Forecast

    • 71
    • 90

    Mostly Sunny

    • 74
    • 95

    Mostly Sunny

    • 68
    • 91

    Chance Rain Showers

    • 64
    • 81

    Chance Rain Showers

    • 65
    • 75

    Chance Rain Showers

    • 66
    • 78

    Chance Rain Showers

Today 23 Jun Northwest Suffolk

Sunny with Highs in the lower 90s. North Winds around 5 Mph, becoming south in the afternoon. Heat index Values up to 101.

Tonight 23 Jun Northwest Suffolk

Partly cloudy. Lows in the lower 70s. Northwest Winds around 5 Mph.

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Yaphank Temperature Statistics

June Temperature

Shirley, Brookhaven Airport (2.5 miles)

  • Lowest 2 June, 2025

    46.7 °F

  • Average June

    68.2 °F

  • Highest 12 June, 2025

    86 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (2.5 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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