TODAY NOV15
TEMPERATURE48
HUMIDITY89
PRESSURE30.36
WIND COND.280 4.7
  • 5744Fri
  • 5437Sat
  • 5436Sun
  • 5438Mon
  • 5440Tue
daynightWeather update from Portland, Portland International Airport at

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Old Town-Chinatown 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"

Did you know?

  • The highest monthly average temperature in Old Town-Chinatown for August is 70 degrees.
  • The lowest monthly average temperature in Old Town-Chinatown for December is 40 degrees.
  • The most monthly precipitation in Old Town-Chinatown occurs in November with 6.2 inches.
  • The air quality index in Old Town-Chinatown is 23% better than the national average.
  • The pollution index in Old Town-Chinatown is 62% better than the national average.

Real Estate Listings In Old Town-Chinatown

Compare Portland, OR Weather To Other Cities

Old Town-Chinatown 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.
IndexOld Town-ChinatownPortlandOregon
Air quality index383832
Pollution index1,899,4101,899,4105,374,527

Old Town-Chinatown 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

Old Town-Chinatown air quality information

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

Average monthly Old Town-Chinatown temperature with heat index

Old Town-Chinatown monthly precipitation with daily maximum

Old Town-Chinatown monthly snow depth with daily maximum

Old Town-Chinatown monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bull Mountain, OR9,6843824%
Durham, OR1,4173824%
Gresham, OR110,0423824%
King City, OR3,5993824%
Milwaukie, OR20,6433824%
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 Old Town-Chinatown, 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.