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Key findings

  • The highest monthly average temperature in Island Station for August is 70 degrees
  • The lowest monthly average temperature in Island Station for December is 40 degrees
  • The most monthly precipitation in Island Station occurs in November with 6.2 inches
  • The air quality index in Island Station is 24% better than the national average
  • The pollution index in Island Station is 128% worse than the national average

Compare Milwaukie, OR Weather

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      Island Station 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"

      Island Station 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.
      IndexIsland StationMilwaukieOregon
      Air quality index383832
      Pollution index11,541,10011,541,1005,374,527

      Island Station 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

      Island Station air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.140%
      Carbon Tetrachloride0.020%
      Lead0.020%
      Mercury0.010%

      Average monthly Island Station temperature with heat index

      Island Station monthly precipitation with daily maximum

      Island Station monthly snow depth with daily maximum

      Island Station monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Donald, OR1,1733236%
      Aloha, OR54,9083824%
      Beaverton, OR94,8653824%
      Canby, OR17,2183824%
      Garden Home-Whitford, OR6,2913824%
      Milwaukie, OR20,6433824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Lomita, CA20,6527244%
      Hayesville, OR20,6533236%
      Birmingham, MI20,6535612%
      Conway, SC20,6311472%
      Havelock, NC20,6303726%
      Milwaukie, OR20,6433824%
      Source: The Island Station, Milwaukie, 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.