Great Peconic Bay Weather Forecast

    • 63
    • 67

    Rain Showers

    • 59
    • 65

    Rain Showers

    • 61
    • 66

    Mostly Cloudy

    • 63
    • 68

    Partly Sunny

    • 64
    • 69

    Partly Sunny

    • 62
    • 69

    Mostly Cloudy

Today 27 Sep Northeast Suffolk

Showers this Morning, then Showers with a chance of Thunderstorms this afternoon. Very windy with Highs in the upper 60s. Northeast Winds 25 to 35 Mph with Gusts up to 45 Mph, becoming east 15 to 25 Mph with Gusts up to 35 Mph this afternoon. Chance of rain 90 percent.

Tonight 27 Sep Northeast Suffolk

Showers with a slight chance of Thunderstorms. Lows around 60. East Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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Great Peconic Bay Temperature Statistics

September Temperature

The Gabreski Airport (8.1 miles)

  • Lowest 16 September, 2026

    48 °F

  • Average September

    68 °F

  • Highest 10 September, 2026

    84.9 °F

Climate (2021–2026)

The Gabreski Airport (8.1 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    61.9 °F
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