Point Forecast: Nantucket MA
 41.28N 70.12W (Elev. 49 ft)
Last Update: 1:16 am EDT Jul 15, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-ft)
Dispersion Index
Ceiling Height
Visibility
Thunder Potential

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (EDT)070809101112131415161718192021222300010203040506
Temperature (°F)717274757676777777777675747272717170707070707070
Dewpoint (°F)717172727272727272727271717171707069707070707070
Heat Index (°F)757676777777777675
Surface Wind (mph)778991010101010109877666666666
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)787070706971626362585262636561716767657271758079
Precipitation Potential (%)302420201610876655565566788755
Relative Humidity (%)1009793908787858585858787909797979797100100100100100100
RainChcSChcSChcSChcSChc--------------------------------------
ThunderSChcSChcSChcSChc----------------------------------------

Date07/17
Hour (EDT)070809101112131415161718192021222300010203040506
Temperature (°F)717374757778797979797877757473727272727272717172
Dewpoint (°F)717172737373737373737373727272717171717171717171
Heat Index (°F)75777879798279787775
Surface Wind (mph)67891010101010101010999999101010101010
Wind DirSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSWSW
Gust
Sky Cover (%)676559534646454546484954596469737882858990919286
Precipitation Potential (%)522222221111222336101316202323
Relative Humidity (%)10093939188858382828385879193959697979797989910099
Rain----------------------------------------SChcSChcSChcSChc
Thunder--------------------------------------------SChcSChc

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