TODAY OCT10
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7053Fri60%
  • 6853Sat40%
  • 6750Sun
  • 6752
  • 6649Tue
daynightWeather update from CW5061 Fortuna at
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Weather Quick Facts

  • The highest monthly average temperature in Fortuna for July is 58 degrees
  • The lowest monthly average temperature in Fortuna for January is 44.3 degrees
  • The most monthly precipitation in Fortuna occurs in December with 11.4 inches
  • The air quality index in Fortuna is 36% better than the national average
  • The pollution index in Fortuna is 107% worse than the national average

Compare Fortuna, CA Weather

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      Fortuna 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
      January35°F53°F44°F6.0"
      February40°F56°F49°F6.4"
      March41°F57°F50°F6.8"
      April40°F56°F49°F5.8"
      May45°F59°F53°F3.6"
      June47°F61°F55°F3.9"
      July52°F65°F58°F1.0"
      August50°F63°F56°F0.3"
      September46°F63°F54°F0.4"
      October44°F61°F53°F5.6"
      November40°F58°F49°F4.0"
      December39°F54°F47°F11.4"

      Fortuna 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.
      IndexFortunaCaliforniaNational
      Air quality index275542
      Pollution index5,642,31010,473,1902,726,193

      Fortuna air quality

      MeasurementTotal
      Days measured363
      Days with good air quality353
      Days with moderate air quality10
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.060%
      Benzene0.080%
      Carbon Tetrachloride0.000%
      Lead0.050%
      Mercury0.050%

      Average monthly Fortuna temperature with heat index

      Fortuna monthly precipitation with daily maximum

      Fortuna monthly snow depth with daily maximum

      Fortuna monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hydesville, CA1,0512746.0%
      Rio Dell, CA3,3882746.0%
      Ferndale, CA1,3872746.0%
      Bayview CDP (Contra Costa County), CA1,7532746.0%
      Myrtletown, CA5,1432746.0%
      Fortuna, CA12,1352746.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Baraboo, WI12,1333530.0%
      Sylacauga, AL12,1323824.0%
      Cascades, VA12,132476.0%
      Somerville, NJ12,1394118.0%
      Lake Tapps, WA12,1294510.0%
      Fortuna, CA12,1352746.0%
      Source: The Fortuna, 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.