TODAY APR11
TEMPERATURE39
HUMIDITY73
PRESSURE
WIND COND.325 4.1
  • 5934Sun
  • 6439Mon
  • 6539Tue
  • 6840Wed
  • 7142Thu
daynightWeather update from AURORA at

Key findings

  • The highest monthly average temperature in Tualatin for July is 69 degrees
  • The lowest monthly average temperature in Tualatin for January is 40 degrees
  • The most monthly precipitation in Tualatin occurs in December with 10.1 inches
  • The air quality index in Tualatin is 24% better than the national average
  • The pollution index in Tualatin is 128% worse than the national average

Compare Tualatin, OR Weather

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      Tualatin 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"

      Tualatin 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.
      IndexTualatinOregonNational
      Air quality index383250
      Pollution index11,541,1005,374,5275,066,862

      Tualatin 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

      Tualatin air quality information

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

      Average monthly Tualatin temperature with heat index

      Tualatin monthly precipitation with daily maximum

      Tualatin monthly snow depth with daily maximum

      Tualatin monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Dayton, OR2,5673236%
      Donald, OR1,1733236%
      Hubbard, OR3,2683236%
      Dundee, OR3,2033236%
      St. Paul, OR3893236%
      Tualatin, OR27,0243824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Easton, PA27,0144216%
      Garden City, MI27,0095612%
      Eureka, CA27,0022746%
      Watertown, NY26,9973530%
      Lafayette, CO27,053476%
      Tualatin, OR27,0243824%
      Source: The Tualatin, 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.