TODAY APR25
TEMPERATURE55°F
HUMIDITY62%
PRESSURE30.05 inHg
WIND COND.90° 8.1 mph
  • 8355Thu20%
  • 6049Fri60% | 60%
  • 5748Sat50%
  • 5646Sun
  • 5845Mon
daynightWeather update from Portland, Portland-Troutdale Airport, on 25 Apr 7:20 am PDT

Troutdale 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
January21°F67°F40°F5.4"
February18°F65°F43°F2.2"
March28°F76°F46°F4.4"
April27°F81°F50°F3.5"
May34°F92°F58°F2.7"
June44°F102°F62°F2.0"
July45°F106°F69°F0.5"
August44°F102°F67°F0.8"
September38°F93°F62°F0.9"
October30°F76°F53°F3.3"
November28°F68°F46°F7.0"
December17°F63°F38°F5.4"

Did you know?

  • The highest monthly average temperature in Troutdale for July is 69 degrees.
  • The lowest monthly average temperature in Troutdale for December is 38 degrees.
  • The most monthly precipitation in Troutdale occurs in November with 7 inches.
  • The air quality index in Troutdale is 23% better than the national average.
  • The pollution index in Troutdale is 378% worse than the national average.

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Compare Troutdale, OR Weather To Other Cities

Troutdale 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.
IndexTroutdaleOregonNational
Air quality index383250
Pollution index24,235,4005,374,5275,066,862

Troutdale 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

Troutdale air quality information

PollutantTotal
Arsenic0.020%
Benzene0.250%
Carbon Tetrachloride0.060%
Lead0.160%
Mercury0.090%

Average monthly Troutdale temperature with heat index

Troutdale monthly precipitation with daily maximum

Troutdale monthly snow depth with daily maximum

Troutdale monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Gresham, OR110,0423824%
Lake Oswego, OR38,0653824%
Oatfield, OR13,5923824%
Stafford, OR1,9453824%
Brush Prairie, WA2,6463824%
Troutdale, OR16,5353824%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Brenham, TX16,535524%
Shorewood, IL16,539198%
Tanque Verde, AZ16,546468%
Glen Allen, VA16,5243922%
Myrtle Grove, FL16,5474020%
Troutdale, OR16,5353824%
Source: The Troutdale, 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.