Moriches Coast Guard Station Weather Forecast

    • 28
    • 44

    Mostly Sunny

    • 33
    • 39

    Partly Sunny

    • 35
    • 43

    Rain

    • 33
    • 41

    Partly Sunny

    • 38
    • 44

    Chance Rain

    • 34
    • 47

    Slight Chance Rain

Today 21 Dec Southeast Suffolk

Mostly sunny. Highs in the mid 40s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 21 Dec Southeast Suffolk

Mostly clear. Lows in the upper 20s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Moriches Coast Guard Station Temperature Statistics

December Temperature

Shirley, Brookhaven Airport (6.2 miles)

  • Lowest 9 December, 2025

    14 °F

  • Average December

    32.3 °F

  • Highest 18 December, 2025

    50 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (6.2 miles)

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  • Average Low 2020–2025

    46.4 °F

  • Average 2020–2025

    54.8 °F

  • Average High 2020–2025

    62.8 °F
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