TODAY DEC22
TEMPERATURE21
HUMIDITY41
PRESSURE103120
WIND COND.330 24.1
  • 3126Mon
  • 4026Tue40%
  • 3625
  • 3929Thu
  • 4130Fri
daynightWeather update from Farmingdale - Republic Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Westbury for July is 75.7 degrees
  • The lowest monthly average temperature in Westbury for January is 33 degrees
  • The most monthly precipitation in Westbury occurs in December with 4.5 inches
  • The air quality index in Westbury is 21% worse than the national average
  • The pollution index in Westbury is 720% worse than the national average

Compare Westbury, NY Weather

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      Westbury 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
      January25°F41°F33°F2.7"
      February25°F42°F33°F2.3"
      March32°F50°F40°F3.3"
      April42°F60°F51°F3.7"
      May52°F70°F60°F3.4"
      June61°F78°F69°F4.3"
      July68°F84°F76°F3.2"
      August66°F83°F74°F3.4"
      September60°F76°F68°F3.2"
      October50°F66°F57°F3.5"
      November39°F55°F47°F2.5"
      December32°F46°F39°F4.5"

      Westbury 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.
      IndexWestburyNew YorkNational
      Air quality index514342
      Pollution index22,367,0006,179,2752,726,193

      Westbury air quality

      MeasurementTotal
      Days measured365
      Days with good air quality169
      Days with moderate air quality180
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.040%
      Benzene0.180%
      Carbon Tetrachloride0.070%
      Lead0.050%
      Mercury0.050%

      Average monthly Westbury temperature with heat index

      Westbury monthly precipitation with daily maximum

      Westbury monthly snow depth with daily maximum

      Westbury monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Dix Hills, NY23,9954314.0%
      Eatons Neck, NY1,2934314.0%
      Huntington, NY19,4384314.0%
      Northport, NY7,2974314.0%
      Deer Park, NY26,0434314.0%
      Westbury, NY15,339512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Clarksdale, MS15,3424314.0%
      Sainte-Anne-des-Plaines, QC15,334n/a 
      Leduc County, AB15,344n/a 
      Centerton, AR15,3454412.0%
      Saugeen Shores, ON15,330n/a 
      Westbury, NY15,339512.0%
      Source: The Westbury, 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.