Muttontown Weather Forecast

    • 62
    • 81

    Becoming Sunny

    • 57
    • 83

    Mostly Sunny

    • 55
    • 73

    Mostly Sunny

    • 58
    • 72

    Partly Sunny

    • 60
    • 75

    Partly Sunny

    • 63
    • 79

    Partly Sunny

Today 18 Sep Northern Nassau

Patchy fog this morning. Partly sunny with a slight chance of Showers this Morning, then sunny this afternoon. Highs in the lower 80s. North Winds around 5 Mph, becoming northwest this afternoon. Chance of rain 20 percent.

Tonight 18 Sep Northern Nassau

Mostly clear. Lows in the mid 60s. Southwest Winds around 5 Mph, becoming west after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Muttontown Temperature Statistics

September Temperature

Farmingdale - Republic Airport (9.3 miles)

  • Lowest 9 September, 2025

    53.1 °F

  • Average September

    67.3 °F

  • Highest 5 September, 2025

    80.1 °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