TODAY NOV21
TEMPERATURE46
HUMIDITY89
PRESSURE101290
WIND COND.
  • 5643Fri100%80%
  • 5040Sat90%80%
  • 5041Sun70%
  • 4839Mon
  • 4939Tue
daynightWeather update from Portland-Hillsboro Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Greenway for July is 67.8 degrees
  • The lowest monthly average temperature in Greenway for January is 38.5 degrees
  • The most monthly precipitation in Greenway occurs in December with 11.3 inches
  • The air quality index in Greenway is 10% better than the national average
  • The pollution index in Greenway is 456% worse than the national average

Compare Beaverton, OR Weather

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      Greenway 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
      January32°F47°F38°F4.1"
      February33°F53°F42°F3.0"
      March38°F60°F48°F4.8"
      April39°F61°F50°F2.9"
      May45°F70°F57°F4.8"
      June48°F72°F59°F2.1"
      July53°F83°F68°F1.3"
      August51°F84°F67°F1.2"
      September44°F75°F59°F2.8"
      October42°F61°F50°F3.8"
      November33°F52°F42°F7.5"
      December33°F45°F39°F11.3"

      Greenway 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.
      IndexGreenwayBeavertonOregon
      Air quality index383832
      Pollution index15,149,90015,149,9007,156,356

      Greenway 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
      Arsenic0.010%
      Benzene0.160%
      Carbon Tetrachloride0.030%
      Lead0.080%
      Mercury0.010%

      Average monthly Greenway temperature with heat index

      Greenway monthly precipitation with daily maximum

      Greenway monthly snow depth with daily maximum

      Greenway monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Dundee, OR3,2963236.0%
      Bull Mountain, OR9,7323824.0%
      Gladstone, OR12,3163824.0%
      Lake Oswego, OR39,4763824.0%
      Oatfield, OR13,5883824.0%
      Beaverton, OR98,5673824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Chico, CA98,683468.0%
      Boca Raton, FL98,7764118.0%
      Lee's Summit, MO98,997476.0%
      Saint-Jean-sur-Richelieu, QC99,027n/a 
      Roanoke, VA99,1223824.0%
      Beaverton, OR98,5673824.0%
      Source: The Greenway, Beaverton, 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.