Uniondale Weather Forecast

    • 66
    • 77

    Increasing Clouds

    • 69
    • 82

    Mostly Sunny

    • 60
    • 83

    Rain Showers Likely

    • 58
    • 72

    Slight Chance Rain Showers

    • 57
    • 74

    Partly Sunny

    • 57
    • 75

    Mostly Cloudy

Today 4 Sep Southern Nassau

Patchy fog this morning. Sunny. Highs in the upper 70s. South Winds 10 to 15 Mph. Gusts up to 25 Mph this afternoon.

Tonight 4 Sep Southern Nassau

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers with a slight chance of Thunderstorms. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Uniondale Temperature Statistics

September Temperature

Farmingdale - Republic Airport (9.3 miles)

  • Lowest 1 September, 2025

    57.9 °F

  • Average September

    66.7 °F

  • Highest 1 September, 2025

    75 °F

Climate (2020–Present)

Farmingdale - Republic Airport (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    63.4 °F
Get WillyWeather+ to remove ads