TODAY OCT31
TEMPERATURE63
HUMIDITY55
PRESSURE102000
WIND COND.
  • 6451Fri100%
  • 6245Sat50%
  • 6747Sun
  • 6848Mon
  • 7150Tue
daynightWeather update from Mountain View, Moffett Field at
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Weather Quick Facts

  • The highest monthly average temperature in Mission San Jose for August is 64.4 degrees
  • The lowest monthly average temperature in Mission San Jose for December is 49.2 degrees
  • The most monthly precipitation in Mission San Jose occurs in January with 3.5 inches
  • The air quality index in Mission San Jose is 2% worse than the national average
  • The pollution index in Mission San Jose is 762% worse than the national average

Compare Fremont, CA Weather

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      Mission San Jose 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
      January42°F58°F50°F3.5"
      February46°F61°F53°F3.3"
      March46°F64°F54°F2.6"
      April48°F66°F56°F1.8"
      May52°F69°F59°F0.6"
      June56°F73°F62°F0.1"
      July57°F75°F64°F0.0"
      August58°F76°F64°F0.0"
      September57°F76°F64°F0.2"
      October53°F72°F61°F1.4"
      November48°F66°F56°F1.3"
      December42°F58°F49°F3.2"

      Mission San Jose 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.
      IndexMission San JoseFremontCalifornia
      Air quality index434355
      Pollution index23,499,8006,427,29010,473,190

      Mission San Jose air quality

      MeasurementTotal
      Days measured365
      Days with good air quality263
      Days with moderate air quality98
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.110%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.003%

      Average monthly Mission San Jose temperature with heat index

      Mission San Jose monthly precipitation with daily maximum

      Mission San Jose monthly snow depth with daily maximum

      Mission San Jose monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ashland, CA23,5664020.0%
      Norris Canyon, CA7904020.0%
      Castro Valley, CA64,3924020.0%
      San Leandro, CA90,4894020.0%
      San Lorenzo, CA30,1174020.0%
      Fremont, CA234,8294314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hialeah, FL233,8764118.0%
      Arlington, VA236,434476.0%
      Garland, TX238,622512.0%
      Windsor, ON230,583n/a 
      Richmond, VA229,2334412.0%
      Fremont, CA234,8294314.0%
      Source: The Mission San Jose, Fremont, 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.