TODAY DEC08
TEMPERATURE56
HUMIDITY72
PRESSURE102070
WIND COND.40 7.6
  • 6644Sun
  • 6440Mon
  • 6343Tue
  • 6346Wed
  • 6347Thu
daynightWeather update from Hayward, Hayward Air Terminal at
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Weather Quick Facts

  • The highest monthly average temperature in Ashland for August is 64.4 degrees
  • The lowest monthly average temperature in Ashland for December is 49.2 degrees
  • The most monthly precipitation in Ashland occurs in January with 3.5 inches
  • The air quality index in Ashland is 5% better than the national average
  • The pollution index in Ashland is 136% worse than the national average

Compare Ashland, CA Weather

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      Ashland 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"

      Ashland 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.
      IndexAshlandCaliforniaNational
      Air quality index405542
      Pollution index6,427,29010,473,1902,726,193

      Ashland air quality

      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

      Air quality details

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

      Average monthly Ashland temperature with heat index

      Ashland monthly precipitation with daily maximum

      Ashland monthly snow depth with daily maximum

      Ashland monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Berkeley, CA123,0654020.0%
      Acalanes Ridge, CA8754020.0%
      North Gate, CA7404020.0%
      Saranap, CA6,0274020.0%
      Castro Valley, CA64,3924020.0%
      Ashland, CA23,5664020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Belton, MO23,568476.0%
      Jacksonville Beach, FL23,5624314.0%
      Watertown, WI23,5613726.0%
      Venice, FL23,5723824.0%
      Strathroy-Caradoc, ON23,574n/a 
      Ashland, CA23,5664020.0%
      Source: The Ashland, 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.