TODAY APR23
TEMPERATURE58
HUMIDITY65
PRESSURE101320
WIND COND.170 7.6
  • 6951Wed
  • 6454Thu20%
  • 6550Fri
  • 6850Sat
  • 6950Sun
daynightWeather update from San Jose, San Jose International Airport at
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Weather Quick Facts

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

Compare Fremont, CA Weather

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      Grimmer 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"

      Grimmer 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.
      IndexGrimmerFremontCalifornia
      Air quality index434355
      Pollution index23,499,8006,427,29010,473,190

      Grimmer 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

      Grimmer air quality information

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

      Average monthly Grimmer temperature with heat index

      Grimmer monthly precipitation with daily maximum

      Grimmer monthly snow depth with daily maximum

      Grimmer monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Castro Valley, CA64,3924020.0%
      San Leandro, CA90,4894020.0%
      San Lorenzo, CA30,1174020.0%
      Ashland, CA23,5664020.0%
      Hayward, CA158,8174314.0%
      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 Grimmer, 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.