Great Patchogue Lake Weather Forecast

    • 72
    • 82

    Chance Thunderstorms

    • 69
    • 85

    Chance Thunderstorms

    • 65
    • 83

    Mostly Sunny

    • 68
    • 80

    Mostly Sunny

    • 71
    • 85

    Partly Sunny

    • 74
    • 87

    Chance Rain Showers

Today 19 Jul Southwest Suffolk

Mostly sunny. Highs in the lower 80s. East Winds around 5 Mph, becoming south in the afternoon.

Tonight 19 Jul Southwest Suffolk

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Great Patchogue Lake Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (4.3 miles)

  • Lowest 5 July, 2025

    64.7 °F

  • Average July

    77.6 °F

  • Highest 8 July, 2025

    92.6 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (4.3 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    63 °F
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