TODAY NOV22
TEMPERATURE66
HUMIDITY65
PRESSURE101630
WIND COND.180 25.9
  • 6451Fri100%100%
  • 6144Sat70%30%
  • 6048Sun50%
  • 6048Mon
  • 6044Tue
daynightWeather update from Concord, Buchanan Field at
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Weather Quick Facts

  • The highest monthly average temperature in Pacheco for July is 70.8 degrees
  • The lowest monthly average temperature in Pacheco for January is 48.3 degrees
  • The most monthly precipitation in Pacheco occurs in December with 3.1 inches
  • The air quality index in Pacheco is 5% better than the national average
  • The pollution index in Pacheco is 402% worse than the national average

Compare Pacheco, CA Weather

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      Pacheco 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
      January39°F60°F48°F2.5"
      February42°F65°F53°F2.6"
      March46°F69°F56°F2.7"
      April48°F74°F60°F1.5"
      May52°F79°F63°F0.1"
      June56°F87°F69°F0.4"
      July58°F90°F71°F0.0"
      August58°F88°F70°F0.0"
      September57°F88°F70°F0.1"
      October52°F80°F64°F0.7"
      November44°F67°F54°F1.6"
      December39°F60°F49°F3.1"

      Pacheco 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.
      IndexPachecoCaliforniaNational
      Air quality index405542
      Pollution index13,698,50010,473,1902,726,193

      Pacheco air quality

      MeasurementTotal
      Days measured365
      Days with good air quality290
      Days with moderate air quality74
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Pacheco temperature with heat index

      Pacheco monthly precipitation with daily maximum

      Pacheco monthly snow depth with daily maximum

      Pacheco monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Kensington, CA5,1714020.0%
      San Pablo, CA30,9594020.0%
      Castle Hill, CA1,1644020.0%
      Martinez, CA38,3974020.0%
      Reliez Valley, CA3,3214020.0%
      Pacheco, CA4,7754020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Mystic, CT4,7763726.0%
      Cape May Court House, NJ4,7764020.0%
      Carthage, MS4,7734412.0%
      Richwood, LA4,7783432.0%
      Cariboo F, BC4,778n/a 
      Pacheco, CA4,7754020.0%
      Source: The Pacheco, 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.