TODAY JUL16
TEMPERATURE93
HUMIDITY30
PRESSURE29.87
WIND COND.330 11.4
  • 9260Mon
  • 8858Tue
  • 8056Wed
  • 8055Thu
  • 8156Fri
daynightWeather update from Portland, Portland International Airport at

Far Southwest 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°F66°F41°F5.1"
February22°F65°F43°F2.0"
March28°F75°F47°F3.5"
April31°F83°F51°F2.6"
May37°F95°F59°F2.9"
June46°F102°F63°F1.4"
July51°F106°F70°F0.4"
August48°F102°F68°F0.6"
September41°F95°F64°F1.1"
October30°F78°F54°F2.6"
November27°F67°F47°F6.1"
December12°F63°F39°F5.2"

Did you know?

  • The highest monthly average temperature in Far Southwest for July is 70 degrees.
  • The lowest monthly average temperature in Far Southwest for December is 39 degrees.
  • The most monthly precipitation in Far Southwest occurs in November with 6.1 inches.
  • The air quality index in Far Southwest is 23% better than the national average.
  • The pollution index in Far Southwest is 127% worse than the national average.

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Compare Portland, OR Weather To Other Cities

Far 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.
IndexFar SouthwestPortlandOregon
Air quality index383832
Pollution index11,541,1001,899,4105,374,527

Far Southwest 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

Far Southwest air quality information

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

Average monthly Far Southwest temperature with heat index

Far Southwest monthly precipitation with daily maximum

Far Southwest monthly snow depth with daily maximum

Far Southwest monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Dundee, OR3,2033138%
Barlow, OR1713824%
Bull Mountain, OR9,6843824%
Cedar Mill, OR15,9933824%
Fairview, OR9,2153824%
Portland, OR620,5893824%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Baltimore, MD621,000468%
Oklahoma City, OK620,015476%
Las Vegas, NV613,295548%
Louisville, KY611,5735510%
Milwaukee, WI598,6724510%
Portland, OR620,5893824%
Source: The Far Southwest, 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.