Rider Avenue Park Weather Forecast

    • 61
    • 72

    Mostly Sunny

    • 66
    • 75

    Chance Rain Showers

    • 70
    • 75

    Mostly Sunny

    • 62
    • 76

    Rain Showers Likely

    • 60
    • 69

    Chance Rain Showers

    • 59
    • 70

    Partly Sunny

    • 59
    • 68

    Mostly Cloudy

Today 3 Sep Southwest Suffolk

Mostly sunny. Near steady temperature in the lower 70s. South Winds around 10 Mph.

Tonight 3 Sep Southwest Suffolk

Mostly clear. Lows around 60. South Winds 5 to 10 Mph.

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Rider Avenue Park Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (5.6 miles)

  • Lowest 1 September, 2025

    59 °F

  • Average September

    68.1 °F

  • Highest 1 September, 2025

    77 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (5.6 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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