Long Island Weather Forecast

    • 21
    • 25

    Snow Likely

    • 20
    • 29

    Chance Snow

    • 31
    • 36

    Rain

    • 27
    • 45

    Rain

    • 23
    • 30

    Partly Sunny

    • 21
    • 34

    Mostly Cloudy

Today 26 Dec Suffolk

Sunny this Morning, then becoming mostly cloudy. Much Colder with Highs in the mid 20s. North Winds 10 to 15 Mph. Gusts up to 25 Mph this morning.

Tonight 26 Dec Suffolk

Cloudy. A chance of snow in the Evening, then snow likely after midnight. Total snow accumulation around an inch. Near steady temperature around 20. North Winds 5 to 10 Mph. Chance of snow 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Long Island Temperature Statistics

December Temperature

Boston, Logan International Airport (3.1 miles)

  • Lowest 5 December, 2025

    12 °F

  • Average December

    32.9 °F

  • Highest 19 December, 2025

    59 °F

Climate (2020–Present)

Boston, Logan International Airport (3.1 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61 °F
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