TODAY NOV12
TEMPERATURE53
HUMIDITY86
PRESSURE101760
WIND COND.
  • 6748Tue
  • 7550Wed
  • 7052Thu
  • 6349Fri
  • 6144Sat
daynightWeather update from San Diego, Montgomery Field at
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Weather Quick Facts

  • The highest monthly average temperature in Kearny Mesa for August is 71.1 degrees
  • The lowest monthly average temperature in Kearny Mesa for December is 57.5 degrees
  • The most monthly precipitation in Kearny Mesa occurs in December with 2.2 inches
  • The air quality index in Kearny Mesa is 52% worse than the national average
  • The pollution index in Kearny Mesa is 1581% worse than the national average

Compare San Diego, CA Weather

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      Kearny Mesa 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
      January49°F68°F58°F1.7"
      February51°F68°F59°F1.8"
      March54°F69°F60°F1.0"
      April56°F70°F62°F0.6"
      May60°F70°F64°F0.4"
      June62°F72°F66°F0.0"
      July66°F76°F70°F0.2"
      August67°F78°F71°F0.0"
      September66°F78°F71°F0.2"
      October61°F77°F68°F0.5"
      November55°F73°F63°F0.9"
      December49°F67°F58°F2.2"

      Kearny Mesa 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.
      IndexKearny MesaSan DiegoCalifornia
      Air quality index646455
      Pollution index45,820,50045,820,50010,473,190

      Kearny Mesa air quality

      MeasurementTotal
      Days measured365
      Days with good air quality87
      Days with moderate air quality253
      Days w/ poor A.Q. for sensitive groups23
      Days with unhealthy air quality2

      Air quality details

      PollutantTotal
      Arsenic1.130%
      Benzene0.410%
      Carbon Tetrachloride0.030%
      Lead0.600%
      Mercury0.080%

      Average monthly Kearny Mesa temperature with heat index

      Kearny Mesa monthly precipitation with daily maximum

      Kearny Mesa monthly snow depth with daily maximum

      Kearny Mesa monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Coronado, CA24,5266428.0%
      Spring Valley CDP (Lake County), CA1,1546428.0%
      El Cajon, CA103,2496428.0%
      La Mesa, CA60,2086428.0%
      Winter Gardens, CA22,7856428.0%
      San Diego, CA1,414,5456428.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Calgary, AB1,371,990n/a 
      Dallas, TX1,338,846512.0%
      San Antonio, TX1,529,133492.0%
      Philadelphia, PA1,581,531512.0%
      Phoenix, AZ1,658,4227448.0%
      San Diego, CA1,414,5456428.0%
      Source: The Kearny Mesa, San Diego, 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.