Point Forecast: Islip, Long Island Mac Arthur Airport NY
 40.78N 73.09W (Elev. 49 ft)
Last Update: 2:11 am EDT Oct 10, 2026
Tabular Forecast
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Date10/1010/11
Hour (EDT)070809101112131415161718192021222300010203040506
Temperature (°F)495155596263646565646361585554545353525252535454
Dewpoint (°F)454748484645454544444648484948484848494949494950
Heat Index (°F)
Surface Wind (mph)355676655553333333333567
Wind DirNNNNNENENENEESESESESESEEEEEEEEEEE
Gust
Sky Cover (%)575551463846466663585964583743595569646857658593
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)868677675652504846485462698080808383898989868386
Rain------------------------------------------------
Thunder------------------------------------------------

Date10/12
Hour (EDT)070809101112131415161718192021222300010203040506
Temperature (°F)555760616364646463646462616060606161616161616161
Dewpoint (°F)505253545556585959606060606060606161616161616161
Heat Index (°F)
Surface Wind (mph)789101011111111111313131313131110988888
Wind DirEEESEESESESESEEEEEEEEEEEEENENENE
Gust232425252422
Sky Cover (%)959591919093929394939593969898989898989796959493
Precipitation Potential (%)01414142929296060608989899797979797975858585858
Relative Humidity (%)8383787676768283858885939799100100100100100100100100100100
Rain--------ChcChcChcLklyLklyLklyOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlLklyLklyLklyLklyLkly
Thunder--------------------------SChcSChcSChcChcChcChcSChcSChcSChc----

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