TODAY OCT05
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 8364Sun
  • 8664Mon
  • 8362Tue
  • 7962Wed
  • 7961Thu
daynightWeather update from EW3055 Vista at
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Weather Quick Facts

  • The highest monthly average temperature in Vista for August is 70.2 degrees
  • The lowest monthly average temperature in Vista for December is 55.8 degrees
  • The most monthly precipitation in Vista occurs in December with 2.7 inches
  • The air quality index in Vista is 52% worse than the national average
  • The pollution index in Vista is 1581% worse than the national average

Compare Vista, CA Weather

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      Vista 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°F1.8"
      February49°F66°F56°F2.0"
      March51°F67°F58°F1.1"
      April54°F68°F60°F0.7"
      May58°F69°F63°F0.4"
      June61°F71°F65°F0.0"
      July65°F75°F69°F0.1"
      August66°F76°F70°F0.1"
      September64°F77°F70°F0.1"
      October59°F75°F67°F0.5"
      November53°F71°F61°F1.0"
      December48°F66°F56°F2.7"

      Vista 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.
      IndexVistaCaliforniaNational
      Air quality index645542
      Pollution index45,820,50010,473,1902,726,193

      Vista 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 Vista temperature with heat index

      Vista monthly precipitation with daily maximum

      Vista monthly snow depth with daily maximum

      Vista monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Solana Beach, CA13,3016428.0%
      Poway, CA49,7806428.0%
      Fallbrook, CA32,3596428.0%
      Carlsbad, CA114,4116428.0%
      Lake San Marcos, CA3,9576428.0%
      Vista, CA100,6596428.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Tuscaloosa, AL100,6333530.0%
      San Angelo, TX100,5092844.0%
      Vacaville, CA99,9583530.0%
      Lethbridge, AB101,384n/a 
      Kamloops, BC101,505n/a 
      Vista, CA100,6596428.0%
      Source: The Vista, 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.