Cedar Beach Weather Forecast

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    • 42

    Breezy

    • 24
    • 42

    Breezy

    • 27
    • 29

    Snow

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    • 34

    Chance Rain

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    • 43

    Rain

    • 25
    • 38

    Slight Chance Rain/Snow

Today 24 Dec Northwest Suffolk

Sunny. Highs in the lower 40s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 24 Dec Northwest Suffolk

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the upper 20s. North Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cedar Beach Temperature Statistics

December Temperature

Islip, Long Island Mac Arthur Airport (11.8 miles)

  • Lowest 15 December, 2025

    19.9 °F

  • Average December

    35.4 °F

  • Highest 19 December, 2025

    57.9 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (11.8 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    63.1 °F
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