Seaview Weather Forecast

    • 63
    • 70

    Partly Sunny

    • 63
    • 74

    Partly Sunny

    • 66
    • 74

    Partly Sunny

    • 60
    • 74

    Partly Sunny

    • 61
    • 73

    Chance Rain Showers

    • 62
    • 73

    Slight Chance Rain Showers

Today 13 Sep Southwest Suffolk

Sunny. Highs in the lower 70s. South Winds around 10 Mph.

Tonight 13 Sep Southwest Suffolk

Partly cloudy. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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Seaview Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (9.9 miles)

  • Lowest 9 September, 2025

    54 °F

  • Average September

    68.8 °F

  • Highest 6 September, 2025

    81 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (9.9 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    63.1 °F
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