National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Farmingdale - Republic Airport (KFRG)

Lat: 40.73°NLon: 73.42°WElev: 72ft.

Fair

75°F

24°C

Humidity 62%
Wind Speed S 13 mph
Barometer 30.32 in (1026.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 16 Sep 1:53 pm EDT
Extended Forecast for

Muttontown NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. South wind around 9 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 65. South wind 3 to 8 mph.

    Low: 65 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 68. South wind 8 to 11 mph.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny through mid morning, then becoming sunny, with a high near 80. North wind 9 to 11 mph.

    High: 80 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. South wind around 9 mph.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 65. South wind 3 to 8 mph.
Thursday
Mostly sunny, with a high near 81. Light south wind increasing to 5 to 10 mph in the morning.
Thursday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 68. South wind 8 to 11 mph.
Friday
Partly sunny through mid morning, then becoming sunny, with a high near 80. North wind 9 to 11 mph.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 59.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 71.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Muttontown NY
 40.81°N 73.52°W (Elev. 200 ft)
Last Update:
2:25 pm EDT Sep 16, 2026
Forecast Valid:
2pm EDT Sep 16, 2026-6pm EDT Sep 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation