Long Island Weather Forecast

    • 29
    • 54

    Rain

    • 34
    • 39

    Partly Sunny

    • 25
    • 46

    Partly Sunny

    • 23
    • 30

    Partly Sunny

    • 31
    • 36

    Chance Rain/Snow

    • 26
    • 39

    Partly Sunny

Today 19 Dec Suffolk

Rain, breezy and not as cool with Highs in the upper 50s. South Winds 15 to 25 Mph with Gusts up to 50 Mph. Chance of rain near 100 percent.

Tonight 19 Dec Suffolk

Mostly cloudy with a chance of rain in the Evening, then mostly clear after midnight. Cooler with Lows in the upper 20s. West Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain 30 percent.

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Long Island Temperature Statistics

December Temperature

Boston, Logan International Airport (3.1 miles)

  • Lowest 5 December, 2025

    12 °F

  • Average December

    30.7 °F

  • Highest 10 December, 2025

    48 °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

    53.7 °F

  • Average High 2020–2025

    61 °F
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