TODAY DEC22
TEMPERATURE48
HUMIDITY86
PRESSURE101860
WIND COND.130 13
  • 5144Sun100%100%
  • 5345Mon100%
  • 5142Tue90%50%
  • 4945
  • 5246Thu
daynightWeather update from Portland, Portland International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Kerns for August is 69.5 degrees
  • The lowest monthly average temperature in Kerns for December is 39.9 degrees
  • The most monthly precipitation in Kerns occurs in November with 6.2 inches
  • The air quality index in Kerns is 10% better than the national average
  • The pollution index in Kerns is 30% better than the national average

Compare Portland, OR Weather

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      Kerns 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
      January34°F48°F40°F4.9"
      February36°F53°F43°F3.4"
      March39°F58°F48°F4.8"
      April42°F63°F52°F3.0"
      May48°F71°F58°F2.8"
      June53°F76°F63°F1.7"
      July57°F84°F69°F0.5"
      August58°F85°F70°F0.5"
      September53°F78°F64°F1.8"
      October47°F66°F55°F3.7"
      November40°F55°F47°F6.2"
      December34°F47°F40°F6.2"

      Kerns 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.
      IndexKernsPortlandOregon
      Air quality index383832
      Pollution index1,899,4101,899,4107,156,356

      Kerns 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 Kerns temperature with heat index

      Kerns monthly precipitation with daily maximum

      Kerns monthly snow depth with daily maximum

      Kerns monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Gresham, OR110,4563824.0%
      Brush Prairie, WA2,7213824.0%
      Orchards, WA26,2893824.0%
      Durham, OR1,7643824.0%
      King City, OR4,3453824.0%
      Portland, OR650,3803824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Memphis, TN650,9104510.0%
      Oklahoma City, OK649,821484.0%
      Las Vegas, NV644,594548.0%
      Nashville, TN667,0704510.0%
      Detroit, MI672,3515612.0%
      Portland, OR650,3803824.0%
      Source: The Kerns, Portland, OR 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.