TODAY FEB28
TEMPERATURE55
HUMIDITY74
PRESSURE30
WIND COND.90 7.6
  • 7547Sun
  • 7447Mon
  • 6946Tue30%
  • 6451Wed
  • 6851Thu
daynightWeather update from Hawthorne, Hawthorne Municipal Airport at

Key findings

  • The highest monthly average temperature in Willowbrook for August is 72 degrees
  • The lowest monthly average temperature in Willowbrook for January is 56 degrees
  • The most monthly precipitation in Willowbrook occurs in January with 8.9 inches
  • The air quality index in Willowbrook is 45% worse than the national average
  • The pollution index in Willowbrook is 16% better than the national average

Compare Willowbrook, CA Weather

      vs
      How would you rate the weather in Willowbrook?
      Write a review to give others more information about this area.
      How would you rate the air quality in Willowbrook?
      Write a review to give others more information about this area.
      See all Willowbrook poll results

      Willowbrook 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
      January48°F67°F56°F8.9"
      February51°F68°F58°F7.7"
      March54°F70°F61°F2.5"
      April55°F70°F61°F3.7"
      May59°F73°F65°F1.5"
      June61°F73°F66°F0.0"
      July66°F79°F71°F0.0"
      August67°F80°F72°F0.0"
      September63°F78°F69°F4.9"
      October59°F77°F67°F4.0"
      November56°F74°F63°F2.7"
      December50°F68°F58°F3.4"

      Willowbrook 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.
      IndexWillowbrookCaliforniaNational
      Air quality index725550
      Pollution index4,251,41018,106,7265,066,862

      Willowbrook air quality information

      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

      Willowbrook air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.100%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.000%

      Average monthly Willowbrook temperature with heat index

      Willowbrook monthly precipitation with daily maximum

      Willowbrook monthly snow depth with daily maximum

      Willowbrook monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Los Angeles, CA3,918,8727244%
      Bellflower, CA77,6877244%
      Cypress, CA48,9787244%
      La Mirada, CA49,1307244%
      Monterey Park, CA61,0017244%
      Willowbrook, CA22,0357244%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      South Holland, IL22,0405510%
      Watertown, SD22,0262550%
      Rancho San Diego, CA22,0186428%
      Union Hill-Novelty Hill, WA22,0154510%
      Affton, MO22,060548%
      Willowbrook, CA22,0357244%
      Source: The Willowbrook, 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.