TODAY MAR05
TEMPERATURE51
HUMIDITY74
PRESSURE30.03
WIND COND.310 5.4
  • 5139Fri100%80%
  • 5039Sat40%40%
  • 5136Sun70%20%
  • 5337Mon
  • 5336Tue
daynightWeather update from Portland, Portland International Airport at

Key findings

  • The highest monthly average temperature in Brentwood-Darlington for August is 70 degrees
  • The lowest monthly average temperature in Brentwood-Darlington for December is 40 degrees
  • The most monthly precipitation in Brentwood-Darlington occurs in November with 6.2 inches
  • The air quality index in Brentwood-Darlington is 24% better than the national average
  • The pollution index in Brentwood-Darlington is 378% worse than the national average

Compare Portland, OR Weather

      vs
      How would you rate the weather in Brentwood-Darlington?
      Write a review to give others more information about this area.
      How would you rate the air quality in Brentwood-Darlington?
      Write a review to give others more information about this area.
      See all Brentwood-Darlington poll results

      Brentwood-Darlington 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°F4.9"
      February36°F53°F43°F3.4"
      March39°F58°F48°F4.8"
      April42°F63°F52°F3.0"
      May48°F71°F58°F2.8"
      June53°F76°F63°F1.7"
      July57°F84°F69°F0.5"
      August58°F85°F70°F0.5"
      September53°F78°F64°F1.8"
      October47°F66°F55°F3.7"
      November40°F55°F47°F6.2"
      December34°F47°F40°F6.2"

      Brentwood-Darlington 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.
      IndexBrentwood-DarlingtonPortlandOregon
      Air quality index383832
      Pollution index24,235,4001,899,4105,374,527

      Brentwood-Darlington 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

      Brentwood-Darlington air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.020%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.002%

      Average monthly Brentwood-Darlington temperature with heat index

      Brentwood-Darlington monthly precipitation with daily maximum

      Brentwood-Darlington monthly snow depth with daily maximum

      Brentwood-Darlington monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Hazel Dell, WA20,9233824%
      Gresham, OR110,0423824%
      Camas, WA21,3933824%
      Bull Mountain, OR9,6843824%
      Jennings Lodge, OR7,7273824%
      Portland, OR620,5893824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Baltimore, MD621,000468%
      Oklahoma City, OK620,015484%
      Las Vegas, NV613,295548%
      Louisville, KY611,573492%
      Milwaukee, WI598,6724412%
      Portland, OR620,5893824%
      Source: The Brentwood-Darlington, Portland, 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.