Sayville Weather Forecast

    • 40
    • 49

    Rain

    • 37
    • 55

    Chance Rain

    • 33
    • 50

    Slight Chance Rain

    • 38
    • 52

    Mostly Sunny

    • 40
    • 53

    Chance Rain

    • 39
    • 50

    Chance Rain

    • 41
    • 52

    Chance Rain

Today 24 Mar Southwest Suffolk

Rain, breezy with Highs in the upper 40s. South Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain near 100 percent.

Tonight 24 Mar Southwest Suffolk

Patchy fog early this evening. Mostly cloudy. Lows around 40. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph early this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sayville Temperature Statistics

March Temperature

Islip, Long Island Mac Arthur Airport (3.7 miles)

  • Lowest 3 March, 2025

    17.9 °F

  • Average March

    44.3 °F

  • Highest 19 March, 2025

    65.6 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (3.7 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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