TODAY NOV21
TEMPERATURE49
HUMIDITY93
PRESSURE100140
WIND COND.30 14.8
  • 5337100%70%
  • 4836Fri30%60%
  • 5140Sat50%
  • 5338Sun
  • 5542Mon
daynightWeather update from Islip, Long Island Mac Arthur Airport at
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Weather Quick Facts

  • The highest monthly average temperature in East Islip for July is 75.9 degrees
  • The lowest monthly average temperature in East Islip for January is 32.3 degrees
  • The most monthly precipitation in East Islip occurs in August with 5.6 inches
  • The air quality index in East Islip is 2% worse than the national average
  • The pollution index in East Islip is 1338% worse than the national average

Compare East Islip, NY Weather

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      East Islip Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January24°F41°F32°F4.0"
      February24°F43°F33°F3.0"
      March31°F50°F40°F4.2"
      April41°F61°F50°F3.5"
      May51°F71°F60°F3.6"
      June60°F79°F69°F4.7"
      July68°F85°F76°F3.1"
      August65°F83°F74°F5.6"
      September60°F78°F68°F3.1"
      October49°F67°F58°F4.1"
      November37°F56°F46°F3.0"
      December31°F47°F39°F4.9"

      East Islip air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexEast IslipNew YorkNational
      Air quality index434342
      Pollution index39,208,8006,179,2752,726,193

      East Islip air quality

      MeasurementTotal
      Days measured365
      Days with good air quality262
      Days with moderate air quality82
      Days w/ poor A.Q. for sensitive groups18
      Days with unhealthy air quality3

      Air quality details

      PollutantTotal
      Arsenic0.060%
      Benzene0.320%
      Carbon Tetrachloride0.020%
      Lead0.320%
      Mercury0.130%

      Average monthly East Islip temperature with heat index

      East Islip monthly precipitation with daily maximum

      East Islip monthly snow depth with daily maximum

      East Islip monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bohemia, NY9,3294314.0%
      East Patchogue, NY22,0164314.0%
      Patchogue, NY12,3894314.0%
      Gordon Heights, NY4,1794314.0%
      Yaphank, NY6,0604314.0%
      East Islip, NY12,7224314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Geneva, NY12,7203432.0%
      Wickliffe, OH12,72050= 100
      Tehachapi, CA12,7186734.0%
      Port Neches, TX12,7294510.0%
      Orangeburg, SC12,7134314.0%
      East Islip, NY12,7224314.0%
      Source: The East Islip, NY weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.