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

40°F

4°C

Humidity 83%
Wind Speed W 12 mph
Barometer 29.37 in (994.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 11 Dec 12:53 am EST
Extended Forecast for

West Islip NY

  • Overnight

    Overnight: Partly cloudy, with a low around 33. West wind around 17 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a steady temperature around 33. Wind chill values between 20 and 25. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 39 mph.

    High: 33 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Wind chill values between 15 and 20. Breezy, with a west wind 16 to 21 mph, with gusts as high as 40 mph.

    Low: 24 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 35. Wind chill values between 15 and 25. West wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. West wind 5 to 8 mph.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely after 1am. Cloudy, with a low around 27. Chance of precipitation is 60%.

    Low: 27 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.

    High: 34 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 33. West wind around 17 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a steady temperature around 33. Wind chill values between 20 and 25. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 39 mph.
Thursday Night
Partly cloudy, with a low around 24. Wind chill values between 15 and 20. Breezy, with a west wind 16 to 21 mph, with gusts as high as 40 mph.
Friday
Sunny, with a high near 35. Wind chill values between 15 and 25. West wind 13 to 15 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 26. West wind 5 to 8 mph.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Snow likely after 1am. Cloudy, with a low around 27. Chance of precipitation is 60%.
Sunday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 43.
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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:
1:14 am EST Dec 11, 2025
Forecast Valid:
1am EST Dec 11, 2025-6pm EST Dec 17, 2025
 
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Additional Resources

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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