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.

Overcast

57°F

14°C

Humidity 87%
Wind Speed Calm
Barometer 30.28 in (1025.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 21 May 11:53 pm EDT
Extended Forecast for

West Islip NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. Light east wind.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61. East wind 10 to 14 mph.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. East wind around 8 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after 2pm. High near 58. East wind 11 to 16 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 50. East wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 50 °F

    Rain

  • Sunday

    Sunday: Rain. High near 62. Breezy. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 62 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain likely before 8pm, then a chance of showers after 8pm. Cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Rain Likely

  • Memorial Day

    Memorial Day: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers after 8pm. Cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. Light east wind.
Friday
Partly sunny, with a high near 61. East wind 10 to 14 mph.
Friday Night
Mostly cloudy, with a low around 50. East wind around 8 mph.
Saturday
Rain, mainly after 2pm. High near 58. East wind 11 to 16 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 50. East wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday
Rain. High near 62. Breezy. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday Night
Rain likely before 8pm, then a chance of showers after 8pm. Cloudy, with a low around 53. Chance of precipitation is 60%.
Memorial Day
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 65.
Monday Night
A 30 percent chance of showers after 8pm. Cloudy, with a low around 55.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Islip NY
 40.69°N 73.28°W (Elev. 7 ft)
Last Update:
2:25 pm EDT May 21, 2026
Forecast Valid:
12am EDT May 22, 2026-6pm EDT May 28, 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