TODAY MAR29
TEMPERATURE54
HUMIDITY77
PRESSURE101520
WIND COND.
  • 6551Fri60%
  • 5950Sat100%70%
  • 6248Sun70%30%
  • 6550Mon
  • 7153Tue
daynightWeather update from John Wayne-Orange County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Wilshire Square for August is 72.2 degrees
  • The lowest monthly average temperature in Wilshire Square for December is 57 degrees
  • The most monthly precipitation in Wilshire Square occurs in December with 2.4 inches
  • The air quality index in Wilshire Square is 111% worse than the national average
  • The pollution index in Wilshire Square is 69% better than the national average

Compare Santa Ana, CA Weather

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      Wilshire Square 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°F69°F57°F2.3"
      February49°F69°F58°F1.9"
      March52°F70°F60°F0.9"
      April54°F72°F62°F0.6"
      May59°F73°F65°F0.3"
      June62°F76°F67°F0.0"
      July66°F80°F71°F0.1"
      August66°F82°F72°F0.0"
      September65°F82°F72°F0.2"
      October60°F79°F68°F0.5"
      November54°F75°F63°F0.7"
      December48°F68°F57°F2.4"

      Wilshire Square 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.
      IndexWilshire SquareSanta AnaCalifornia
      Air quality index898955
      Pollution index858,652858,65210,473,190

      Wilshire Square air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality42
      Days with moderate air quality178
      Days w/ poor A.Q. for sensitive groups79
      Days with unhealthy air quality58

      Wilshire Square air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.020%
      Mercury0.001%

      Average monthly Wilshire Square temperature with heat index

      Wilshire Square monthly precipitation with daily maximum

      Wilshire Square monthly snow depth with daily maximum

      Wilshire Square monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cypress, CA49,1377244.0%
      La Habra, CA62,7877244.0%
      Los Alamitos, CA11,5217244.0%
      Seal Beach, CA24,2687244.0%
      Fountain Valley, CA56,1187244.0%
      Santa Ana, CA332,6108978.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Riverside, CA327,5698978.0%
      Corpus Christi, TX326,3324216.0%
      Lexington-Fayette, KY322,2004216.0%
      Vaughan, ON321,974n/a 
      Honolulu, HI347,1813040.0%
      Santa Ana, CA332,6108978.0%
      Source: The Wilshire Square, Santa Ana, 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.