TODAY DEC18
TEMPERATURE39
HUMIDITY86
PRESSURE102340
WIND COND.
  • 5036Wed100%
  • 4429Thu50%
  • 4027Fri50%
  • 3515Sat30%
  • 2714Sun
daynightWeather update from Shirley, Brookhaven Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Middle Island for July is 74.7 degrees
  • The lowest monthly average temperature in Middle Island for February is 32.5 degrees
  • The most monthly precipitation in Middle Island occurs in December with 4.9 inches
  • The air quality index in Middle Island is 2% worse than the national average
  • The pollution index in Middle Island is 1338% worse than the national average

Compare Middle Island, NY Weather

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      Middle Island 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°F33°F3.0"
      February24°F41°F33°F3.2"
      March31°F49°F40°F4.2"
      April40°F60°F50°F4.0"
      May50°F69°F59°F3.8"
      June59°F78°F68°F4.2"
      July66°F83°F75°F3.8"
      August64°F82°F73°F3.2"
      September58°F76°F67°F3.7"
      October48°F66°F57°F4.0"
      November37°F55°F46°F3.1"
      December30°F47°F38°F4.9"

      Middle Island 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.
      IndexMiddle IslandNew YorkNational
      Air quality index434342
      Pollution index39,208,8006,179,2752,726,193

      Middle Island 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 Middle Island temperature with heat index

      Middle Island monthly precipitation with daily maximum

      Middle Island monthly snow depth with daily maximum

      Middle Island monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Calverton, NY5,2804118.0%
      Remsenburg-Speonk, NY1,7484118.0%
      Riverside village, NY6114118.0%
      Eastport, NY1,9024118.0%
      Riverside, NY2,6104118.0%
      Middle Island, NY11,0304314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ontario, OR11,0313628.0%
      Spencer, IA11,0383530.0%
      Doctor Phillips, FL11,0203922.0%
      New Baltimore, VA11,0173824.0%
      Notre-Dame-de-l'Île-Perrot, QC11,017n/a 
      Middle Island, NY11,0304314.0%
      Source: The Middle Island, 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.