Narrow Bay Weather Forecast

    • 59
    • 66

    Rain Showers Likely

    • 60
    • 70

    Partly Sunny

    • 62
    • 69

    Chance Rain Showers

    • 61
    • 68

    Slight Chance Rain Showers

    • 61
    • 73

    Mostly Sunny

    • 58
    • 68

    Mostly Sunny

Today 7 Sep Southeast Suffolk

Rain late this Morning, then Showers this afternoon. Highs in the upper 60s. Northwest Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 7 Sep Southeast Suffolk

Mostly cloudy with Showers likely in the Evening, then partly cloudy after midnight. Lows in the upper 50s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

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Narrow Bay Temperature Statistics

September Temperature

Shirley, Brookhaven Airport (5 miles)

  • Lowest 3 September, 2025

    50 °F

  • Average September

    65.7 °F

  • Highest 5 September, 2025

    78.1 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (5 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    63 °F
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