Heckscher State Park Weather Forecast

    • 24
    • 45

    Slight Chance Rain/Snow

    • 32
    • 38

    Rain

    • 30
    • 43

    Rain

    • 21
    • 38

    Partly Sunny

    • 34
    • 41

    Chance Rain/Snow

    • 31
    • 46

    Mostly Cloudy

Today 29 Jan Southwest Suffolk

Partly sunny with a 20 percent chance of Showers. Breezy with Highs in the upper 40s. West Winds 15 to 25 Mph with Gusts up to 45 Mph.

Tonight 29 Jan Southwest Suffolk

Partly cloudy in the Evening, then clearing. Breezy with Lows in the lower 20s. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph.

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  • Temperature Real-Time

Heckscher State Park Temperature Statistics

January Temperature

Islip, Long Island Mac Arthur Airport (6.2 miles)

  • Lowest 22 January, 2025

    7.8 °F

  • Average January

    30.5 °F

  • Highest 1 January, 2025

    54.6 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (6.2 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    62.8 °F
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