TODAY DEC23
TEMPERATURE54
HUMIDITY94
PRESSURE
WIND COND.148 1.7
  • 7249Mon
  • 6144Tue70%50%
  • 6444
  • 6645Thu
  • 6747Fri
daynightWeather update from LOS ANGELES DOWNTOWN at
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Weather Quick Facts

  • The highest monthly average temperature in West Central for August is 75.3 degrees
  • The lowest monthly average temperature in West Central for December is 54.9 degrees
  • The most monthly precipitation in West Central occurs in January with 3.3 inches
  • The air quality index in West Central is 71% worse than the national average
  • The pollution index in West Central is 5017% worse than the national average

Compare Pasadena, CA Weather

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      West Central 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
      January45°F69°F56°F3.3"
      February46°F70°F57°F2.5"
      March49°F73°F60°F2.0"
      April52°F75°F62°F0.6"
      May56°F78°F65°F0.2"
      June60°F83°F70°F0.0"
      July65°F89°F75°F0.0"
      August65°F90°F75°F0.0"
      September63°F89°F74°F0.2"
      October57°F82°F68°F0.5"
      November50°F76°F62°F0.6"
      December44°F68°F55°F2.1"

      West Central 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.
      IndexWest CentralPasadenaCalifornia
      Air quality index727255
      Pollution index139,490,000139,490,00010,473,190

      West Central air quality

      MeasurementTotal
      Days measured365
      Days with good air quality66
      Days with moderate air quality208
      Days w/ poor A.Q. for sensitive groups62
      Days with unhealthy air quality28

      Air quality details

      PollutantTotal
      Arsenic0.200%
      Benzene0.950%
      Carbon Tetrachloride0.080%
      Lead1.320%
      Mercury0.440%

      Average monthly West Central temperature with heat index

      West Central monthly precipitation with daily maximum

      West Central monthly snow depth with daily maximum

      West Central monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bradbury, CA8257244.0%
      Industry, CA2647244.0%
      South San Jose Hills, CA19,1047244.0%
      West Puente Valley, CA23,5557244.0%
      Glendale, CA199,3577244.0%
      Pasadena, CA142,0177244.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Milton, ON142,128n/a 
      Murfreesboro, TN141,7044510.0%
      Mesquite, TX142,429512.0%
      Syracuse, NY142,5533726.0%
      McAllen, TX142,5574216.0%
      Pasadena, CA142,0177244.0%
      Source: The West Central, Pasadena, CA 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.