Great South Bay Weather Forecast

    • 20
    • 34

    Increasing Clouds

    • 16
    • 31

    Partly Sunny

    • 18
    • 28

    Partly Sunny

    • 13
    • 30

    Chance Snow Showers

    • 9
    • 21

    Blustery

    • 11
    • 19

    Blustery

Today 3 Feb Southwest Suffolk

Mostly sunny. Highs in the lower 30s. West Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 3 Feb Southwest Suffolk

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 19. West Winds 5 to 10 Mph.

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Great South Bay Temperature Statistics

February Temperature

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Average February

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Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63 °F
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