TODAY NOV07
TEMPERATURE40
HUMIDITY65
PRESSURE102000
WIND COND.130 5.4
  • 6948Thu
  • 7047Fri
  • 6848Sat
  • 6952Sun
  • 6749
daynightWeather update from Stockton, Stockton Metropolitan Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Tracy for July is 77.1 degrees
  • The lowest monthly average temperature in Tracy for January is 46.3 degrees
  • The most monthly precipitation in Tracy occurs in January with 2.6 inches
  • The air quality index in Tracy is 7% worse than the national average
  • The pollution index in Tracy is 402% worse than the national average

Compare Tracy, CA Weather

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      Tracy 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
      January36°F58°F46°F2.6"
      February39°F64°F51°F2.0"
      March43°F70°F56°F2.0"
      April46°F76°F60°F1.5"
      May51°F84°F66°F0.3"
      June56°F92°F73°F0.2"
      July59°F97°F77°F0.1"
      August59°F95°F76°F0.1"
      September56°F92°F72°F0.2"
      October49°F81°F64°F0.7"
      November41°F68°F54°F1.2"
      December36°F58°F47°F2.5"

      Tracy 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.
      IndexTracyCaliforniaNational
      Air quality index455542
      Pollution index13,698,50010,473,1902,726,193

      Tracy air quality

      MeasurementTotal
      Days measured365
      Days with good air quality229
      Days with moderate air quality123
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.040%
      Benzene0.110%
      Carbon Tetrachloride0.330%
      Lead0.070%
      Mercury0.120%

      Average monthly Tracy temperature with heat index

      Tracy monthly precipitation with daily maximum

      Tracy monthly snow depth with daily maximum

      Tracy monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Discovery Bay, CA15,9044510.0%
      Manteca, CA81,0784510.0%
      French Camp, CA3,6414510.0%
      Mountain House, CA21,3874510.0%
      Brentwood, CA63,0134510.0%
      Tracy, CA91,4624510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Alafaya, FL91,4683922.0%
      Maple Ridge, BC91,475n/a 
      Suffolk, VA91,3834020.0%
      Carson, CA91,3547244.0%
      Santa Monica, CA91,6007244.0%
      Tracy, CA91,4624510.0%
      Source: The Tracy, 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.