Dorchester Park Weather Forecast

    • 59
    • 77

    Chance Thunderstorms

    • 55
    • 72

    Partly Sunny

    • 50
    • 74

    Mostly Sunny

    • 51
    • 68

    Mostly Cloudy

    • 50
    • 63

    Rain Showers Likely

    • 50
    • 63

    Chance Rain Showers

Today 17 May Northwest Suffolk

Mostly cloudy late this Morning, then becoming mostly sunny. Scattered Showers late this Morning, then isolated Showers and Thunderstorms this afternoon. Highs in the upper 70s. South Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 30 percent.

Tonight 17 May Northwest Suffolk

Partly cloudy. Isolated Showers and Thunderstorms in the evening. Lows in the upper 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain 20 percent.

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Dorchester Park Temperature Statistics

May Temperature

Islip, Long Island Mac Arthur Airport (3.7 miles)

  • Lowest 1 May, 2025

    47.6 °F

  • Average May

    62.6 °F

  • Highest 11 May, 2025

    78.7 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (3.7 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    63 °F
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