TODAY APR14
TEMPERATURE77
HUMIDITY66
PRESSURE102030
WIND COND.200 22.3
  • 8069Mon
  • 8170Tue
  • 8369Wed
  • 8569Thu
  • 8566Fri30%
daynightWeather update from Lake Charles Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Westlake for August is 83.3 degrees
  • The lowest monthly average temperature in Westlake for January is 52.7 degrees
  • The most monthly precipitation in Westlake occurs in May with 20.3 inches
  • The air quality index in Westlake is 7% worse than the national average
  • The pollution index in Westlake is 396% worse than the national average

Compare Westlake, LA Weather

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      Westlake 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
      January44°F63°F53°F11.1"
      February47°F66°F55°F4.3"
      March53°F73°F62°F6.1"
      April60°F79°F69°F7.2"
      May66°F85°F75°F20.3"
      June73°F90°F81°F8.9"
      July75°F91°F82°F10.1"
      August76°F92°F83°F3.4"
      September71°F89°F79°F17.1"
      October60°F81°F69°F4.7"
      November51°F72°F61°F5.6"
      December47°F65°F54°F6.6"

      Westlake 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.
      IndexWestlakeLouisianaNational
      Air quality index4510642
      Pollution index13,526,4002,526,4752,726,193

      Westlake air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality239
      Days with moderate air quality126
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Westlake air quality information

      PollutantTotal
      Arsenic0.220%
      Benzene0.080%
      Carbon Tetrachloride0.550%
      Lead0.060%
      Mercury0.670%

      Average monthly Westlake temperature with heat index

      Westlake monthly precipitation with daily maximum

      Westlake monthly snow depth with daily maximum

      Westlake monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Gillis, LA5874510.0%
      Sulphur, LA20,1224510.0%
      Lake Charles, LA77,8324510.0%
      Carlyss, LA5,1854510.0%
      Moss Bluff, LA10,3524510.0%
      Westlake, LA4,7884510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Wrightsboro, NC4,7883432.0%
      North Westport, MA4,7874412.0%
      Nassau Village-Ratliff, FL4,7894314.0%
      Shenandoah, PA4,7894216.0%
      East Merrimack, NH4,7863726.0%
      Westlake, LA4,7884510.0%
      Source: The Westlake, LA 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.