Skip Navigation Linksweather.gov 
NOAA logo - Click to go to the NOAA homepageNational Weather Service Forecast Office NWS logo - Click to go to the NWS homepage
New York, NY
 
 
 Point Forecast: Islip, Long Island Mac Arthur Airport NY
 40.81N 73.11W (Elev. 98 ft)
Last Update: 7:52 pm EDT May 21, 2018
Tabular Forecast
[hide menu]  |  Font Size: A A A   Get as XML
Weather ElementsWeather/PrecipitationAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Ceiling Height
Visibility

48-Hour Period Starting:       Forward 2 Days  

Date05/2205/23
Hour (EDT)020304050607080910111213141516171819202122230001
Temperature (°F)575655555657596162636365666666666360585758585858
Dewpoint (°F)525252525253535354545455555656575757575757575758
Heat Index (°F)
Surface Wind (mph)101212356878887777766533
Wind DirSSESESSESESESESSSESESESESESESESESESSSSSW
Gust
Sky Cover (%)5460657177828892961001001001009896949493939392929190
Precipitation Potential (%)0000310131313136767676767675555555555553737
Relative Humidity (%)83869090868680757572727068707073819096100969696100
Rain------------SChcSChcSChcSChcLklyLklyLklyLklyLklyLklyLklyLklyLklyLklyLklyLklyChcChc
Thunder--------------------SChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChcSChc----

Date05/24
Hour (EDT)020304050607080910111213141516171819202122230001
Temperature (°F)585857575758606367707275777777767572706866656463
Dewpoint (°F)585857575758595960606060595857565657575757565554
Heat Index (°F)757777777675
Surface Wind (mph)335666567899999876666666
Wind DirSWSWWWWWWNWNWNWNWNWWWNWNWNWWWWWNWNWNW
Gust
Sky Cover (%)898990908579746863575146403734312724211917161412
Precipitation Potential (%)3737373715151515151414141414141444444444
Relative Humidity (%)100100100100100100968778716660545250505259636873737372
RainChcChcChcChcSChcSChcSChcSChcSChc------------------------------
Thunder------------------------------------------------

Radar and Satellite (Click for larger image)
Link to Local Radar Data Link to Satellite Data
Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Hazardous WeatherRegional Weather Conditions
Local ClimateGraphical Forecast Maps
Home

Webmaster
NOAA's National Weather Service
New York, NY
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities