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

37°F

3°C

Humidity 59%
Wind Speed W 7 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Dec 11:53 pm EST
Extended Forecast for

West Islip NY

  • Overnight

    Overnight: Partly cloudy, with a low around 24. North wind 11 to 15 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 31. Wind chill values between 15 and 20. North wind 11 to 16 mph, with gusts as high as 30 mph.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind 5 to 9 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 41. Wind chill values between 20 and 30. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 41 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 33. Southwest wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 33 °F

    Cloudy then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 40 percent chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. North wind 11 to 15 mph.
Monday
Partly sunny, with a high near 31. Wind chill values between 15 and 20. North wind 11 to 16 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind 5 to 9 mph.
Tuesday
Increasing clouds, with a high near 41. Wind chill values between 20 and 30. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 33. Southwest wind 13 to 15 mph, with gusts as high as 28 mph.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
Wednesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 28.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 39.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Islip NY
 40.7°N 73.31°W (Elev. 3 ft)
Last Update:
5:39 pm EST Dec 7, 2025
Forecast Valid:
12am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation