TODAY APR26
TEMPERATURE65
HUMIDITY58
PRESSURE101660
WIND COND.280 38.9
  • 6849Sat
  • 6948Sun
  • 7149Mon
  • 7550Tue
  • 7350Wed
daynightWeather update from Hayward, Hayward Air Terminal at
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Weather Quick Facts

  • The highest monthly average temperature in Newark for July is 66.7 degrees
  • The lowest monthly average temperature in Newark for January is 50.4 degrees
  • The most monthly precipitation in Newark occurs in December with 2.6 inches
  • The air quality index in Newark is 2% worse than the national average
  • The pollution index in Newark is 762% worse than the national average

Compare Newark, CA Weather

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      Newark 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°F61°F50°F2.4"
      February45°F63°F53°F2.4"
      March47°F67°F56°F2.0"
      April49°F70°F58°F1.3"
      May53°F73°F61°F0.3"
      June56°F77°F65°F0.2"
      July59°F78°F67°F0.0"
      August59°F78°F66°F0.0"
      September57°F80°F67°F0.1"
      October53°F75°F63°F0.7"
      November47°F67°F56°F1.3"
      December42°F60°F51°F2.6"

      Newark 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.
      IndexNewarkCaliforniaNational
      Air quality index435542
      Pollution index23,499,80010,473,1902,726,193

      Newark air quality information

      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

      Newark air quality information

      PollutantTotal
      Arsenic0.120%
      Benzene0.170%
      Carbon Tetrachloride0.001%
      Lead0.220%
      Mercury0.140%

      Average monthly Newark temperature with heat index

      Newark monthly precipitation with daily maximum

      Newark monthly snow depth with daily maximum

      Newark monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      San Lorenzo, CA30,1174020.0%
      Ashland, CA23,5664020.0%
      Castro Valley, CA64,3924020.0%
      San Leandro, CA90,4894020.0%
      Cherryland, CA15,9764314.0%
      Newark, CA48,1484314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lincoln, CA48,150524.0%
      Wauwatosa, WI48,1434412.0%
      Sheboygan, WI48,1533824.0%
      Victoriaville, QC48,167n/a 
      La Mirada, CA48,2607244.0%
      Newark, CA48,1484314.0%
      Source: The Newark, 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.