TODAY OCT01
TEMPERATURE62
HUMIDITY80
PRESSURE30.18
WIND COND.300 7.6
  • 8256Fri
  • 7654Sat
  • 7254Sun
  • 7452Mon
  • 7652Tue
daynightWeather update from Pearson Airfield at

Key findings

  • The highest monthly average temperature in Arnada for August is 69 degrees
  • The lowest monthly average temperature in Arnada for December is 40 degrees
  • The most monthly precipitation in Arnada occurs in November with 6.2 inches
  • The air quality index in Arnada is 24% better than the national average
  • The pollution index in Arnada is 63% better than the national average

Compare Vancouver, WA Weather

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      Arnada 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°F5.4"
      February36°F52°F43°F3.7"
      March39°F57°F47°F4.9"
      April42°F63°F52°F2.9"
      May48°F71°F58°F2.6"
      June53°F76°F63°F1.7"
      July57°F84°F69°F0.5"
      August57°F84°F69°F0.4"
      September52°F79°F64°F1.5"
      October46°F66°F55°F3.7"
      November40°F54°F47°F6.2"
      December34°F47°F40°F6.2"

      Arnada 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.
      IndexArnadaVancouverWashington
      Air quality index383836
      Pollution index1,899,4101,899,4108,596,989

      Arnada 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

      Arnada air quality information

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

      Average monthly Arnada temperature with heat index

      Arnada monthly precipitation with daily maximum

      Arnada monthly snow depth with daily maximum

      Arnada monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Aloha, OR54,9083824%
      Cedar Mill, OR15,9933824%
      Gresham, OR110,0423824%
      Milwaukie, OR20,6433824%
      Rockcreek, OR9,3843824%
      Vancouver, WA169,9823824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Cape Coral, FL170,0633628%
      Ontario, CA169,3898978%
      Jackson, MS172,0394412%
      Sioux Falls, SD167,8843628%
      Santa Rosa, CA173,1653432%
      Vancouver, WA169,9823824%
      Source: The Arnada, Vancouver, WA 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.