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

30°F

-1°C

Humidity 79%
Wind Speed Calm
Barometer 30.07 in (1018.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 3 Dec 8:53 pm EST
Extended Forecast for

West Islip NY

  • Tonight

    Tonight: Mostly clear, with a low around 31. Wind chill values between 25 and 30. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 41. Wind chill values between 25 and 30. West wind 10 to 18 mph, with gusts as high as 32 mph.

    High: 41 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. Wind chill values between 10 and 15. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of light snow after 1pm. Increasing clouds, with a high near 36. Wind chill values between 10 and 20. North wind 5 to 8 mph becoming south in the afternoon.

    High: 36 °F

    Mostly Sunny
    then Chance
    Light Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm, then a chance of snow. Cloudy, with a low around 29. Southwest wind around 6 mph becoming north after midnight. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow
    then Chance
    Light Snow

  • Saturday

    Saturday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 40.

    High: 40 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Wind chill values between 25 and 30. West wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday
Increasing clouds, with a high near 41. Wind chill values between 25 and 30. West wind 10 to 18 mph, with gusts as high as 32 mph.
Thursday Night
Mostly clear, with a low around 18. Wind chill values between 10 and 15. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph.
Friday
A 30 percent chance of light snow after 1pm. Increasing clouds, with a high near 36. Wind chill values between 10 and 20. North wind 5 to 8 mph becoming south in the afternoon.
Friday Night
A chance of rain and snow before 10pm, then a chance of snow. Cloudy, with a low around 29. Southwest wind around 6 mph becoming north after midnight. Chance of precipitation is 30%.
Saturday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 30.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Islip NY
 40.7°N 73.31°W (Elev. 3 ft)
Last Update:
4:09 pm EST Dec 3, 2025
Forecast Valid:
9pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation