TODAY NOV21
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 5636Fri90%80%
  • 4533Sat60%20%
  • 4432Sun20%
  • 4231Mon30%
  • 4031Tue
daynightWeather update from CW5615 Heppner at
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Weather Quick Facts

  • The highest monthly average temperature in Heppner for July is 76.4 degrees
  • The lowest monthly average temperature in Heppner for December is 32.5 degrees
  • The most monthly precipitation in Heppner occurs in December with 1.2 inches
  • The air quality index in Heppner is 10% better than the national average
  • The pollution index in Heppner is 467% worse than the national average

Compare Heppner, OR Weather

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      Heppner 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
      January27°F43°F34°F1.0"
      February28°F50°F38°F0.7"
      March33°F60°F46°F1.0"
      April37°F67°F52°F0.8"
      May44°F77°F61°F1.0"
      June52°F84°F68°F0.8"
      July58°F94°F76°F0.1"
      August56°F92°F74°F0.2"
      September47°F82°F64°F0.4"
      October39°F67°F52°F1.0"
      November32°F52°F41°F1.0"
      December25°F41°F32°F1.2"

      Heppner 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.
      IndexHeppnerOregonNational
      Air quality index383242
      Pollution index15,448,3007,156,3562,726,193

      Heppner air quality

      MeasurementTotal
      Days measured364
      Days with good air quality286
      Days with moderate air quality72
      Days w/ poor A.Q. for sensitive groups6
      Days with unhealthy air quality

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.170%
      Carbon Tetrachloride0.030%
      Lead0.050%
      Mercury0.010%

      Average monthly Heppner temperature with heat index

      Heppner monthly precipitation with daily maximum

      Heppner monthly snow depth with daily maximum

      Heppner monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ione, OR4103824.0%
      Lexington, OR1603824.0%
      Heppner, OR1,2903824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Newark, AR1,2904510.0%
      Bylas, AZ1,2904412.0%
      Baltic, CT1,2903726.0%
      Scottville, MI1,2903628.0%
      Gaston, NC1,2903628.0%
      Heppner, OR1,2903824.0%
      Source: The Heppner, 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.