Nesconset Weather Forecast

    • 72
    • 83

    Chance Rain Showers

    • 70
    • 88

    Chance Thunderstorms

    • 65
    • 85

    Mostly Sunny

    • 67
    • 82

    Mostly Sunny

    • 70
    • 86

    Partly Sunny

    • 74
    • 89

    Slight Chance Thunderstorms

    • 75
    • 91

    Slight Chance Thunderstorms

Today 19 Jul Northwest Suffolk

Mostly sunny. Near steady temperature in the lower 80s. South Winds 5 to 10 Mph.

Tonight 19 Jul Northwest Suffolk

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nesconset Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (4.3 miles)

  • Lowest 5 July, 2025

    64.7 °F

  • Average July

    78.2 °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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