TODAY APR25
TEMPERATURE57
HUMIDITY74
PRESSURE101760
WIND COND.280 18.4
  • 6453Thu
  • 6549Fri
  • 6751Sat
  • 6850Sun
  • 6849Mon
daynightWeather update from Oakland, Metro Oakland International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Rancho San Antonio for September is 63.6 degrees
  • The lowest monthly average temperature in Rancho San Antonio for January is 49.6 degrees
  • The most monthly precipitation in Rancho San Antonio occurs in December with 4.1 inches
  • The air quality index in Rancho San Antonio is 5% better than the national average
  • The pollution index in Rancho San Antonio is 604% worse than the national average

Compare Oakland, CA Weather

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      Rancho San Antonio 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
      January41°F59°F50°F2.8"
      February45°F62°F53°F3.1"
      March47°F65°F55°F2.9"
      April49°F67°F57°F1.8"
      May52°F69°F59°F0.4"
      June54°F72°F62°F0.3"
      July56°F73°F63°F0.0"
      August57°F73°F63°F0.0"
      September55°F76°F64°F0.1"
      October52°F73°F61°F1.0"
      November47°F65°F56°F1.9"
      December42°F59°F50°F4.1"

      Rancho San Antonio 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.
      IndexRancho San AntonioOaklandCalifornia
      Air quality index404055
      Pollution index19,202,40019,202,40010,473,190

      Rancho San Antonio air quality information

      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

      Rancho San Antonio air quality information

      PollutantTotal
      Arsenic0.180%
      Benzene0.140%
      Carbon Tetrachloride0.010%
      Lead0.280%
      Mercury0.060%

      Average monthly Rancho San Antonio temperature with heat index

      Rancho San Antonio monthly precipitation with daily maximum

      Rancho San Antonio monthly snow depth with daily maximum

      Rancho San Antonio monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Alhambra Valley, CA1,0514020.0%
      Lafayette, CA25,9494020.0%
      Pacheco, CA4,7754020.0%
      San Miguel CDP (San Luis Obispo County), CA2,6964020.0%
      Castro Valley, CA64,3924020.0%
      Oakland, CA422,5754020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      London, ON421,456n/a 
      Minneapolis, MN424,536468.0%
      Tulsa, OK402,4414510.0%
      Laval, QC445,050n/a 
      Arlington, TX397,269512.0%
      Oakland, CA422,5754020.0%
      Source: The Rancho San Antonio, Oakland, 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.