Uniondale Weather Forecast

    • 61
    • 72

    Mostly Cloudy

    • 60
    • 73

    Rain

    • 56
    • 70

    Chance Rain Showers

    • 55
    • 66

    Chance Rain Showers

    • 55
    • 67

    Chance Rain Showers

    • 54
    • 67

    Chance Rain Showers

    • 55
    • 68

    Chance Rain Showers

Today 19 Sep Southern Nassau

Partly sunny with a 30 percent chance of Showers. Highs around 70.

Tonight 19 Sep Southern Nassau

Mostly cloudy. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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Uniondale Temperature Statistics

September Temperature

Farmingdale - Republic Airport (9.3 miles)

  • Lowest 15 September, 2026

    55 °F

  • Average September

    71.6 °F

  • Highest 3 September, 2026

    87.1 °F

Climate (2021–2026)

Farmingdale - Republic Airport (9.3 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63 °F
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