TODAY JUN20
TEMPERATURE62
HUMIDITY89
PRESSURE
WIND COND.
  • 895840%
  • 7757Thu
  • 7555Fri
  • 7853Sat
  • 8154Sun
daynightWeather update from AURORA at

Tualatin Average Weather

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
January19°F65°F40°F6.1"
February21°F67°F42°F2.4"
March28°F77°F46°F4.0"
April30°F83°F50°F2.6"
May36°F99°F58°F2.5"
June44°F102°F62°F1.1"
July47°F108°F69°F0.4"
August46°F104°F68°F0.5"
September37°F95°F62°F1.1"
October30°F77°F53°F3.1"
November27°F66°F45°F6.5"
December10°F61°F39°F6.1"

Did you know?

  • The highest monthly average temperature in Tualatin for July is 69 degrees.
  • The lowest monthly average temperature in Tualatin for December is 39 degrees.
  • The most monthly precipitation in Tualatin occurs in November with 6.5 inches.
  • The air quality index in Tualatin is 23% better than the national average.
  • The pollution index in Tualatin is 127% worse than the national average.

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Compare Tualatin, OR Weather To Other Cities

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 quality241
Days with moderate air quality108
Days w/ poor A.Q. for sensitive groups12
Days with unhealthy air quality4

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.
Dundee, OR3,2033138%
St. Paul, OR3893138%
Dayton, OR2,5673138%
Hubbard, OR3,2683138%
Donald, OR1,1733138%
Tualatin, OR27,0243824%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Easton, PA27,014476%
Garden City, MI27,009524%
Eureka, CA27,0023138%
Watertown, NY26,9973138%
Lafayette, CO27,0534216%
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.