TODAY MAR04
TEMPERATURE58
HUMIDITY49
PRESSURE29.75
WIND COND.180 11.2
  • 5943Thu40%70%
  • 5139Fri100%60%
  • 5238Sat40%
  • 5036Sun
  • 5137Mon
daynightWeather update from Portland, Portland-Hillsboro Airport at

Key findings

  • The highest monthly average temperature in Neighbors Southwest for July is 68 degrees
  • The lowest monthly average temperature in Neighbors Southwest for January is 38 degrees
  • The most monthly precipitation in Neighbors Southwest occurs in December with 11.3 inches
  • The air quality index in Neighbors Southwest is 24% better than the national average
  • The pollution index in Neighbors Southwest is 199% worse than the national average

Compare Beaverton, OR Weather

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      Neighbors Southwest 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"

      Neighbors Southwest 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.
      IndexNeighbors SouthwestBeavertonOregon
      Air quality index383832
      Pollution index15,149,90015,149,9005,374,527

      Neighbors Southwest 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

      Neighbors Southwest air quality information

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

      Average monthly Neighbors Southwest temperature with heat index

      Neighbors Southwest monthly precipitation with daily maximum

      Neighbors Southwest monthly snow depth with daily maximum

      Neighbors Southwest monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Donald, OR1,1733236%
      Dundee, OR3,2033236%
      Lafayette, OR3,8853236%
      Dayton, OR2,5673236%
      Maywood Park, OR9393824%
      Beaverton, OR94,8653824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Livonia, MI94,8495612%
      Brockton, MA94,8134314%
      League City, TX94,976524%
      New Bedford, MA94,9884412%
      Sparks, NV94,718468%
      Beaverton, OR94,8653824%
      Source: The Neighbors Southwest, 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.