TODAY MAY30
TEMPERATURE54
HUMIDITY94
PRESSURE29.97
WIND COND.190 3.4
  • 6451Sun
  • 6551Mon
  • 6851Tue
  • 6852Wed
  • 6550Thu
daynightWeather update from Fortuna Rohnerville Airport at
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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"

Did you know?

  • The highest monthly average temperature in Fortuna for July is 58 degrees.
  • The lowest monthly average temperature in Fortuna for January is 44 degrees.
  • The most monthly precipitation in Fortuna occurs in December with 11.4 inches.
  • The air quality index in Fortuna is 38% better than the national average.
  • The pollution index in Fortuna is 11% worse than the national average.

Compare Fortuna, CA Weather To Other Cities

      vs

      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 index315550
      Pollution index5,642,31018,106,7265,066,862

      Fortuna air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality318
      Days with moderate air quality47
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Fortuna air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Eureka, CA27,0023138%
      Humboldt Hill, CA3,7103138%
      Pine Hills, CA3,4403138%
      Bayview CDP (Contra Costa County), CA1,7533138%
      Fairhaven, CA1813138%
      Fortuna, CA11,9173138%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Martinsville, NJ11,9174020%
      Mango, FL11,9164314%
      Festus, MO11,9296020%
      Plano, IL11,929198%
      Robertsville, NJ11,9304020%
      Fortuna, CA11,9173138%
      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.