TODAY NOV07
TEMPERATURE50
HUMIDITY56
PRESSURE102370
WIND COND.
  • 6044Fri
  • 5747Sat50%80%
  • 5647Sun80%
  • 5144
  • 5145Tue
daynightWeather update from Portland, Portland-Troutdale Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Fern Prairie for August is 68.9 degrees
  • The lowest monthly average temperature in Fern Prairie for December is 39.8 degrees
  • The most monthly precipitation in Fern Prairie occurs in November with 6.5 inches
  • The air quality index in Fern Prairie is 10% better than the national average
  • The pollution index in Fern Prairie is 30% better than the national average

Compare Fern Prairie, WA Weather

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      Fern Prairie 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
      January36°F46°F40°F4.7"
      February38°F51°F44°F3.2"
      March40°F57°F47°F5.2"
      April42°F63°F51°F3.6"
      May48°F71°F58°F2.8"
      June53°F76°F63°F2.1"
      July56°F84°F69°F0.5"
      August56°F85°F69°F0.4"
      September52°F78°F64°F1.6"
      October46°F65°F55°F4.5"
      November42°F53°F47°F6.5"
      December35°F45°F40°F5.1"

      Fern Prairie 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.
      IndexFern PrairieWashingtonNational
      Air quality index383642
      Pollution index1,899,4104,541,8502,726,193

      Fern Prairie air quality

      MeasurementTotal
      Days measured365
      Days with good air quality285
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.003%
      Benzene0.020%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.002%

      Average monthly Fern Prairie temperature with heat index

      Fern Prairie monthly precipitation with daily maximum

      Fern Prairie monthly snow depth with daily maximum

      Fern Prairie monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Wood Village, OR4,0693824.0%
      Hockinson, WA6,1593824.0%
      Venersborg, WA3,9733824.0%
      Happy Valley, OR22,0493824.0%
      Portland, OR650,3803824.0%
      Fern Prairie, WA1,9893824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Dolan Springs, AZ1,989548.0%
      Veedersburg, IN1,9894216.0%
      Princeton Junction, NJ1,9894118.0%
      Mount Ayr, IA1,9883922.0%
      Parma, ID1,9903628.0%
      Fern Prairie, WA1,9893824.0%
      Source: The Fern Prairie, WA 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.