TODAY MAR19
TEMPERATURE54
HUMIDITY77
PRESSURE101690
WIND COND.280 5.4
  • 7144Tue
  • 5746Wed50%70%
  • 6045Thu70%50%
  • 6145Fri
  • 5642Sat
daynightWeather update from Scappoose Industrial Airpark at
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Weather Quick Facts

  • The highest monthly average temperature in Scappoose for July is 68.1 degrees
  • The lowest monthly average temperature in Scappoose for January is 37.9 degrees
  • The most monthly precipitation in Scappoose occurs in December with 13.3 inches
  • The air quality index in Scappoose is 10% better than the national average
  • The pollution index in Scappoose is 19% worse than the national average

Compare Scappoose, OR Weather

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      Scappoose 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
      January31°F47°F38°F5.1"
      February32°F53°F41°F5.3"
      March38°F60°F48°F5.2"
      April40°F62°F50°F3.9"
      May46°F71°F57°F5.5"
      June49°F73°F60°F2.7"
      July55°F83°F68°F2.0"
      August53°F83°F67°F4.3"
      September46°F75°F60°F1.1"
      October44°F63°F52°F4.1"
      November34°F52°F42°F8.4"
      December33°F46°F39°F13.3"

      Scappoose 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.
      IndexScappooseOregonNational
      Air quality index383242
      Pollution index3,247,5807,156,3562,726,193

      Scappoose 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

      Scappoose air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.020%
      Carbon Tetrachloride0.500%
      Lead0.040%
      Mercury0.001%

      Average monthly Scappoose temperature with heat index

      Scappoose monthly precipitation with daily maximum

      Scappoose monthly snow depth with daily maximum

      Scappoose monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Deer Island, OR1051864.0%
      St. Helens, OR13,7791864.0%
      Vernonia, OR2,1581864.0%
      Woodland, WA6,2231864.0%
      Columbia City, OR1,7701864.0%
      Scappoose, OR7,4363824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Georgetown, DE7,4363628.0%
      Ellwood City, PA7,4363138.0%
      Whitinsville, MA7,4354020.0%
      Clarkston, WA7,4352942.0%
      Montpelier, VT7,4343726.0%
      Scappoose, OR7,4363824.0%
      Source: The Scappoose, 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.