Selden Weather Forecast

    • 66
    • 78

    Chance Rain Showers

    • 56
    • 78

    Partly Sunny

    • 56
    • 68

    Chance Rain Showers

    • 57
    • 71

    Rain Showers Likely

    • 56
    • 70

    Chance Rain Showers

    • 56
    • 68

    Chance Rain Showers

Today 17 Sep Northwest Suffolk

Partly sunny this Morning, then becoming mostly cloudy. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 17 Sep Northwest Suffolk

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Selden Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (5.6 miles)

  • Lowest 7 September, 2026

    56.6 °F

  • Average September

    72.1 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (5.6 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
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