Sayville Weather Forecast

    • 28
    • 45

    Partly Sunny

    • 16
    • 35

    Snow Showers

    • 21
    • 28

    Mostly Cloudy

    • 36
    • 41

    Rain Likely

    • 36
    • 46

    Slight Chance Rain

    • 38
    • 48

    Chance Rain

Today 28 Feb Southwest Suffolk

Sunny. Near steady temperature in the mid 40s. South Winds 5 to 10 Mph.

Tonight 28 Feb Southwest Suffolk

Mostly cloudy. Patchy fog this evening. Areas of fog after midnight. Lows in the upper 20s. South Winds around 5 Mph, becoming north after midnight.

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Sayville Temperature Statistics

February Temperature

Islip, Long Island Mac Arthur Airport (3.7 miles)

  • Lowest 8 February, 2026

    4.6 °F

  • Average February

    28.5 °F

  • Highest 21 February, 2026

    47.6 °F

Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (3.7 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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