Point Forecast: Sayville NY
 40.73N 73.07W (Elev. 16 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)222300010203040506070809101112131415161718192021
Temperature (°F)727272727172717271727374767677787879797878777574
Dewpoint (°F)717171707070707070717373737373747475747474747373
Heat Index (°F)7676777878797978787775
Surface Wind (mph)553322222235667899998766
Wind DirSESESESESESSSESESESESESSSSSSSSSSSS
Gust
Sky Cover (%)798989858377848069627365666151444642304343507470
Precipitation Potential (%)03333334444445551818182424243939
Relative Humidity (%)9797979397939793979710097909087888888858888909497
Rain--------------ChcChcChc------------SChcSChcSChcSChcSChcSChcChcChc
Thunder--------------------------------SChcSChcSChcSChcSChcSChcChcChc

Date07/15
Hour (EDT)222300010203040506070809101112131415161718192021
Temperature (°F)747474747474737374747576777879808081818078777675
Dewpoint (°F)737373737373727272727576747373747474747474747474
Heat Index (°F)7576777879858586868578777675
Surface Wind (mph)655555333235566777888766
Wind DirSSWSWSWSWSWSWSWSWSWSWSWSSSSSSSSSSSS
Gust
Sky Cover (%)778485858685858482818181808077747165585253545553
Precipitation Potential (%)393939394646464646463838383838382121212121211414
Relative Humidity (%)97979797979797979393100100908582828279798288909497
RainChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc----
ThunderChcChcChcChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChc----------------

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