TODAY APR19
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 8151Mon
  • 7252Tue
  • 6552Wed
  • 6452Thu
  • 6951Fri
daynightWeather update from EW3055 Vista at

Key findings

  • 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 29% worse than the national average
  • The pollution index in Vista is 804% 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 index645550
      Pollution index45,820,50018,106,7265,066,862

      Vista air quality information

      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

      Vista air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Camp Pendleton North, CA7,8856428%
      Pala, CA1,0066428%
      Escondido, CA149,9126428%
      Rancho Santa Fe, CA2,7636428%
      Camp Pendleton South, CA12,4916428%
      Vista, CA98,5606428%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Renton, WA98,4994510%
      San Angelo, TX98,6942844%
      Albany, NY98,4253726%
      Davie, FL98,7174118%
      Flint, MI98,9183824%
      Vista, CA98,5606428%
      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.