TODAY NOV25
TEMPERATURE9
HUMIDITY66
PRESSURE102440
WIND COND.310 20.5
  • 151Tue40%
  • 14-6Wed30%
  • 3-19
  • -2-17Fri
  • 1-15Sat
daynightWeather update from CROSBY at
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Weather Quick Facts

  • The highest monthly average temperature in Fortuna for July is 66.8 degrees
  • The lowest monthly average temperature in Fortuna for January is 11.7 degrees
  • The most monthly precipitation in Fortuna occurs in March with 5.3 inches
  • The air quality index in Fortuna is 19% better than the national average
  • The pollution index in Fortuna is 79% better than the national average

Compare Fortuna, ND 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
      January3°F20°F12°F1.4"
      February3°F22°F13°F3.7"
      March15°F35°F25°F5.3"
      April28°F50°F40°F1.0"
      May41°F63°F52°F2.6"
      June51°F72°F62°F3.5"
      July56°F77°F67°F2.5"
      August53°F77°F66°F1.5"
      September44°F68°F57°F2.6"
      October33°F53°F42°F1.1"
      November18°F35°F26°F1.9"
      December6°F22°F14°F2.5"

      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.
      IndexFortunaNorth DakotaNational
      Air quality index343542
      Pollution index563,5991,038,6652,726,193

      Fortuna air quality

      MeasurementTotal
      Days measured365
      Days with good air quality309
      Days with moderate air quality53
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.000%

      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.
      Ambrose, ND113432.0%
      Westby, MT1633432.0%
      Fortuna, ND343432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Amado, AZ343138.0%
      Cotopaxi, CO341668.0%
      Dixonville, FL344118.0%
      Indian Creek, FL344118.0%
      Gray, IA344020.0%
      Fortuna, ND343432.0%
      Source: The Fortuna, ND 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.