TODAY NOV02
TEMPERATURE49
HUMIDITY66
PRESSURE
WIND COND.3 4.7
  • 7048Sun
  • 7246Mon
  • 7446Tue
  • 6945Wed
  • 7045Thu
daynightWeather update from Fontana-Arrow Highway at
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Weather Quick Facts

  • The highest monthly average temperature in Bloomington for August is 77.8 degrees
  • The lowest monthly average temperature in Bloomington for December is 55.1 degrees
  • The most monthly precipitation in Bloomington occurs in December with 1.9 inches
  • The air quality index in Bloomington is 111% worse than the national average
  • The pollution index in Bloomington is 1058% worse than the national average

Compare Bloomington, CA Weather

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      Bloomington 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
      January44°F70°F56°F1.6"
      February45°F72°F57°F1.2"
      March47°F75°F60°F0.7"
      April50°F78°F63°F0.5"
      May55°F82°F66°F0.2"
      June59°F89°F72°F0.0"
      July65°F94°F77°F0.2"
      August65°F95°F78°F0.1"
      September63°F94°F76°F0.2"
      October56°F85°F69°F0.2"
      November49°F77°F62°F0.5"
      December44°F69°F55°F1.9"

      Bloomington 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.
      IndexBloomingtonCaliforniaNational
      Air quality index895542
      Pollution index31,575,30010,473,1902,726,193

      Bloomington air quality

      MeasurementTotal
      Days measured365
      Days with good air quality42
      Days with moderate air quality178
      Days w/ poor A.Q. for sensitive groups79
      Days with unhealthy air quality58

      Air quality details

      PollutantTotal
      Arsenic0.110%
      Benzene0.260%
      Carbon Tetrachloride0.020%
      Lead0.350%
      Mercury0.280%

      Average monthly Bloomington temperature with heat index

      Bloomington monthly precipitation with daily maximum

      Bloomington monthly snow depth with daily maximum

      Bloomington monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Colton, CA54,2158978.0%
      Loma Linda, CA24,2398978.0%
      Corona, CA168,1128978.0%
      Ontario, CA178,1948978.0%
      El Sobrante, CA14,7798978.0%
      Bloomington, CA21,9078978.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bloomingdale, IL21,9055510.0%
      Leland, NC21,9033432.0%
      Summit, NJ21,913512.0%
      Pace, FL21,8984118.0%
      Corinth, TX21,881512.0%
      Bloomington, CA21,9078978.0%
      Source: The Bloomington, 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.