Islip, New York Weather
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Weather Forecast for Islip, New York : Suffolk County
Issued: 2:41 pm EDT Jul 1, 2025 Latitude: 40.7298207 Longitude: -73.2103934 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Independence Day Saturday Sunday Monday Tuesday
60% chance of thunderstorms on This Afternoon 90% chance of thunderstorms on Tonight 80% chance of thunderstorms on Wednesday Sunny on Thursday Sunny on Independence Day Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 20% chance of rain on Tuesday
High: 81°F Low: 70°F High: 80°F High: 85°F High: 84°F High: 82°F High: 84°F High: 85°F High: 84°F
Low: 69°F Low: 67°F Low: 65°F Low: 68°F Low: 70°F Low: 71°F  
Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
ISLIP - (KISP)
84°
Clear
as of 3:56 PM EDST
Rel. Humidity: 70%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
17 MPH
210° Southwest
Cloud Level(s): Few at 4000ft, Few at 12000ft, Scattered at 22000ft, Broken at 25000ft
Current Conditions at
FARMINGDALE - (KFRG)
81°
Partly Cloudy
Light Rain
as of 4:09 PM EDST
Rel. Humidity: 78%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 28 MPH
210° Southwest
Cloud Level(s): Few at 3500ft, Scattered at 10000ft
Current Conditions at
SHIRLEY/BROOKHAVEN - (KHWV)
82°
Clear
as of 3:56 PM EDST
Rel. Humidity: 78%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
14 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
NEW YORK-KENNEDY - (KJFK)
82°
Clear
as of 3:51 PM EDST
Rel. Humidity: 74%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
23 MPH
Gust: 31 MPH
190° South
Cloud Level(s): Few at 2500ft, Scattered at 4400ft, Scattered at 15000ft, Broken at 19000ft, Broken at 23000ft
60% chance of thunderstorms This Afternoon This Afternoon... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a steady temperature around 81. Southwest wind around 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
90% chance of thunderstorms Tonight Tonight... Showers and possibly a thunderstorm. Low around 70. Southwest wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Wednesday Wednesday... Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 2pm. Patchy fog before 9am. High near 80. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Patchy Fog on Wednesday Night Wednesday Night... Patchy fog after 10pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 69. Southwest wind around 6 mph becoming calm in the evening.
Sunny on Thursday Thursday... Sunny, with a high near 85. Calm wind becoming southwest 5 to 9 mph in the morning.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 67.
Sunny on Independence Day Independence Day... Sunny, with a high near 84.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 65.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 82.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 68.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 84.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 70.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 85.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 71.
20% chance of rain Tuesday Tuesday... A chance of showers. Mostly sunny, with a high near 84.
Current Radar Image


Sun Almanac for Islip, New York
Sunrise: 05:26 AM
Sunset: 8:28 PM
Civil Sunrise:04:52 AM
Civil Sunset: 9:01 PM
Nautical Sunrise: 04:10 AM
Nautical Sunset: 9:43 PM
Astro Sunrise: 03:21 AM
Astro Sunset: 10:33 PM
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