Fire Island (Moriches Bay) Weather Forecast

    • 30
    • 38

    Chance Rain

    • 32
    • 45

    Rain

    • 22
    • 38

    Partly Sunny

    • 37
    • 41

    Chance Rain/Snow

    • 32
    • 47

    Mostly Cloudy

    • 27
    • 38

    Partly Sunny

Today 30 Jan Southeast Suffolk

Sunny. Highs in the mid 30s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 30 Jan Southeast Suffolk

Mostly clear and Blustery. Lows in the lower 20s. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph.

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  • Temperature Real-Time

Fire Island (Moriches Bay) Temperature Statistics

January Temperature

Shirley, Brookhaven Airport (7.5 miles)

  • Lowest 23 January, 2025

    4.7 °F

  • Average January

    30.2 °F

  • Highest 1 January, 2025

    54.6 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (7.5 miles)

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  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    54.9 °F

  • Average High 2020–2025

    62.9 °F
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