Baldwin Harbor Weather Forecast

    • 67
    • 75

    Becoming Sunny

    • 61
    • 78

    Mostly Sunny

    • 60
    • 69

    Mostly Sunny

    • 63
    • 68

    Partly Sunny

    • 65
    • 71

    Partly Sunny

    • 66
    • 73

    Partly Sunny

Today 18 Sep Southern Nassau

Patchy fog in the morning. Mostly cloudy with a chance of Showers in the Morning, then mostly sunny in the afternoon. Highs in the upper 70s. Northeast Winds around 5 Mph, becoming west in the afternoon. Chance of rain 30 percent.

Tonight 18 Sep Southern Nassau

Mostly clear. Lows in the mid 60s. West Winds around 5 Mph.

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Baldwin Harbor Temperature Statistics

September Temperature

New York, Kennedy International Airport (8.1 miles)

  • Lowest 8 September, 2025

    55.9 °F

  • Average September

    68.4 °F

  • Highest 6 September, 2025

    81 °F

Climate (2020–Present)

New York, Kennedy International Airport (8.1 miles)

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  • Average Low 2020–2025

    49.6 °F

  • Average 2020–2025

    56.4 °F

  • Average High 2020–2025

    63.7 °F
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