Point Forecast: Central Islip NY
 40.79N 73.2W (Elev. 98 ft)
Last Update: 5:47 pm EDT Jul 13, 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  

Date07/1307/14
Hour (EDT)171819202122230001020304050607080910111213141516
Temperature (°F)817977767373737273727271727172737576777981818283
Dewpoint (°F)737272717171717171717070707071737373737374737474
Heat Index (°F)867977767576777986868890
Surface Wind (mph)877665532222222235667899
Wind DirSESESESESESESESESSSSSSSSSSSSSSSS
Gust
Sky Cover (%)455269728082848580877485847260606871736650563333
Precipitation Potential (%)000000444444555555666222222
Relative Humidity (%)7779858593939397939793979397971009490878279777774
Rain------------------------ChcChcChc------------SChcSChcSChc
Thunder------------------------------------------SChcSChcSChc

Date07/15
Hour (EDT)171819202122230001020304050607080910111213141516
Temperature (°F)818179777675757575757473737374757778808182838485
Dewpoint (°F)737373737373737373737372727272757674737373737373
Heat Index (°F)86867977767575757575757778848687899092
Surface Wind (mph)887666553333332233556667
Wind DirSSSSSSSSSWSWSWSWSWSWSWSWSWSSSSSSS
Gust
Sky Cover (%)525252767679818182828383847974797978787471676257
Precipitation Potential (%)303030454545454545484848484848404040404040272727
Relative Humidity (%)7777828790949494949497979797931009788797774727067
RainChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChc
ThunderChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc------

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