Great South Bay Weather Forecast

    • 41
    • 62

    Rain Showers

    • 40
    • 45

    Chance Rain

    • 48
    • 56

    Breezy

    • 46
    • 54

    Rain Showers Likely

    • 41
    • 54

    Rain Showers Likely

    • 40
    • 49

    Partly Sunny

Today 1 Apr Southwest Suffolk

Partly sunny. A chance of Showers in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the upper 60s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 1 Apr Southwest Suffolk

Showers with a slight chance of Thunderstorms in the Evening, then Showers likely after midnight. Lows in the lower 40s. Northeast Winds 5 to 10 Mph, increasing to east 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of rain 80 percent.

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Great South Bay Temperature Statistics

April Temperature

Islip, Long Island Mac Arthur Airport (8.1 miles)

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Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    63 °F
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