Centereach Weather Forecast

    • 46
    • 60

    Chance Rain Showers

    • 39
    • 57

    Rain Showers

    • 34
    • 52

    Slight Chance Rain Showers

    • 41
    • 52

    Partly Sunny

    • 43
    • 61

    Partly Sunny

    • 47
    • 64

    Partly Sunny

Today 18 Apr Northwest Suffolk

Patchy dense fog early. Mostly cloudy. Visibility one quarter mile or less at Times early. Highs in the lower 60s. Northeast Winds 5 to 10 Mph, becoming east this afternoon.

Tonight 18 Apr Northwest Suffolk

Mostly cloudy. A slight chance of Showers after midnight. Patchy fog after midnight. Lows in the upper 40s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Centereach Temperature Statistics

April Temperature

Islip, Long Island Mac Arthur Airport (4.3 miles)

  • Lowest 9 April, 2026

    27.6 °F

  • Average April

    50.6 °F

  • Highest 15 April, 2026

    81 °F

Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (4.3 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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