South Jamesport Weather Forecast

    • 63
    • 76

    Chance Rain Showers

    • 66
    • 80

    Mostly Sunny

    • 60
    • 81

    Chance Rain Showers

    • 56
    • 73

    Slight Chance Rain Showers

    • 55
    • 75

    Partly Sunny

    • 56
    • 73

    Partly Sunny

Today 4 Sep Northeast Suffolk

Sunny. Near steady temperature in the mid 70s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 4 Sep Northeast Suffolk

Partly cloudy this Evening, then becoming mostly cloudy. A chance of Showers this Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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South Jamesport Temperature Statistics

September Temperature

The Gabreski Airport (6.2 miles)

  • Lowest 1 September, 2025

    50 °F

  • Average September

    64.8 °F

  • Highest 1 September, 2025

    75 °F

Climate (2020–Present)

The Gabreski Airport (6.2 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    62.2 °F
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