TODAY MAR29
TEMPERATURE45
HUMIDITY79
PRESSURE
WIND COND.174 11.8
  • 5937Fri20%
  • 6339Sat
  • 6241Sun
  • 6543Mon
  • 6844Tue
daynightWeather update from AURORA at
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Weather Quick Facts

  • The highest monthly average temperature in Oregon City for July is 69 degrees
  • The lowest monthly average temperature in Oregon City for January is 39.8 degrees
  • The most monthly precipitation in Oregon City occurs in December with 10.1 inches
  • The air quality index in Oregon City is 10% better than the national average
  • The pollution index in Oregon City is 323% worse than the national average

Compare Oregon City, OR Weather

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      Oregon City 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°F4.1"
      February35°F53°F43°F3.9"
      March40°F61°F49°F4.7"
      April42°F62°F51°F3.1"
      May48°F70°F58°F4.2"
      June51°F73°F60°F2.3"
      July56°F84°F69°F2.0"
      August55°F85°F68°F4.3"
      September49°F76°F61°F4.5"
      October46°F62°F53°F5.6"
      November36°F53°F43°F5.8"
      December35°F47°F40°F10.1"

      Oregon City 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.
      IndexOregon CityOregonNational
      Air quality index383242
      Pollution index11,541,1007,156,3562,726,193

      Oregon City air quality information

      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

      Oregon City air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.140%
      Carbon Tetrachloride0.020%
      Lead0.020%
      Mercury0.010%

      Average monthly Oregon City temperature with heat index

      Oregon City monthly precipitation with daily maximum

      Oregon City monthly snow depth with daily maximum

      Oregon City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Donald, OR1,4653236.0%
      Molalla, OR9,2243236.0%
      Hubbard, OR3,5273236.0%
      Woodburn, OR26,0083236.0%
      Maywood Park, OR1,2243824.0%
      Oregon City, OR37,0573824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hilliard, OH37,023468.0%
      Côte-Saint-Luc, QC37,097n/a 
      Greenfield, WI37,1174412.0%
      Cottage Grove, MN37,120468.0%
      Richmond West, FL37,1234118.0%
      Oregon City, OR37,0573824.0%
      Source: The Oregon City, 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.