Hauppauge Weather Forecast

    • 66
    • 85

    Rain Showers

    • 66
    • 78

    Rain Showers

    • 65
    • 80

    Rain Showers Likely

    • 68
    • 84

    Partly Sunny

    • 72
    • 88

    Chance Rain Showers

    • 71
    • 92

    Chance Thunderstorms

Today 5 Jul Northwest Suffolk

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall. Near steady temperature in the mid 80s. East Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values in the mid 90s.

Tonight 5 Jul Northwest Suffolk

Showers with a chance of Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Some Thunderstorms may produce heavy rainfall after midnight. Humid with Lows in the mid 60s. East Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

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Hauppauge Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (5.6 miles)

  • Lowest 1 July, 2026

    69.7 °F

  • Average July

    82.9 °F

  • Highest 3 July, 2026

    97 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (5.6 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
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