Long Island Weather Forecast

    • 61
    • 79

    Chance Thunderstorms

    • 62
    • 77

    Chance Thunderstorms

    • 62
    • 79

    Chance Thunderstorms

    • 58
    • 81

    Chance Thunderstorms

    • 59
    • 83

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

Today 1 Sep Jackson

Partly cloudy after Midnight, then mostly cloudy with a slight chance of Showers late this morning. Partly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 70s. Southeast Winds around 10 Mph after midnight becoming light and variable. Chance of rain 20 percent.

Tonight 1 Sep Jackson

Partly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the lower 60s. Light and variable Winds. Chance of rain 40 percent.

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Long Island Temperature Statistics

September Temperature

Winchester Municipal Airport (26.1 miles)

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Climate (2020–Present)

Winchester Municipal Airport (26.1 miles)

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  • Average Low 2020–2025

    50.4 °F

  • Average 2020–2025

    60.8 °F

  • Average High 2020–2025

    71 °F
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