TODAY SEP26
TEMPERATURE62
HUMIDITY96
PRESSURE30.12
WIND COND.
  • 7565Sun20%20%
  • 7565Mon40%
  • 7563Tue30%50%
  • 7259Wed60%40%
  • 7158Thu30%
daynightWeather update from Islip, Long Island Mac Arthur Airport at

Key findings

  • The highest monthly average temperature in East Islip for July is 76 degrees
  • The lowest monthly average temperature in East Islip for January is 32 degrees
  • The most monthly precipitation in East Islip occurs in August with 5.6 inches
  • The air quality index in East Islip is 14% better than the national average
  • The pollution index in East Islip is 674% 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 index434350
      Pollution index39,208,8009,373,0575,066,862

      East Islip air quality information

      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

      East Islip air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Halesite, NY2,5044314%
      Holtsville, NY20,2584314%
      Islandia, NY3,3494314%
      Lake Grove, NY11,2064314%
      Middle Island, NY10,4414314%
      East Islip, NY13,8534314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Brookside, DE13,8534216%
      Azalea Park, FL13,8483922%
      Auburn, CA13,858524%
      Hickory Hills, IL13,8585510%
      Big Bear City, CA13,8598978%
      East Islip, NY13,8534314%
      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.