Point Forecast: Central Islip NY
 40.79N 73.2W (Elev. 98 ft)
Last Update: 2:29 pm EDT Jul 14, 2025
Tabular Forecast
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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:       Back 2 Days  

Date07/1407/15
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)777575747474747473737374757778808182828383828179
Dewpoint (°F)747474747473737373727273747473727373737373737373
Heat Index (°F)777575757778848687878989878579
Surface Wind (mph)765533332222223556667766
Wind DirSWSSWSSWSWSWSWSWSWSWSSSSSSSSSSSSS
Gust
Sky Cover (%)837881888883928281848175697665514037382828141828
Precipitation Potential (%)616161535353636363626262474747191919161616777
Relative Humidity (%)91989699100979797100979797979284767775747272747782
RainLklyLklyLklyChcChcChcLklyLklyLklyLklyLklyLklyChcChcChcSChcSChcSChcSChcSChcSChc------
ThunderLklyLklyLklyChcChcChcChcChcChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc------

Date07/16
Hour (EDT)202122230001020304050607080910111213141516171819
Temperature (°F)777675747474747373737374767880838586868686858381
Dewpoint (°F)737373737474747373737374767675757575757575757575
Heat Index (°F)777675767885909495959595949087
Surface Wind (mph)653333332222235678999998
Wind DirSSSSSSWSWSWSWSWSWSWSWSWSSSSSSSSSS
Gust
Sky Cover (%)424949474543414753595756585655535251515254566473
Precipitation Potential (%)111111121212121212121212161616161616252525252525
Relative Humidity (%)889194971001001001001001001001001009485777270707070727782
Rain------------------------SChcSChcSChcSChcSChcSChcChcChcChcChcChcChc
Thunder------------------------------------ChcChcChcChcChcChc

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