TODAY MAR28
TEMPERATURE44
HUMIDITY85
PRESSURE100680
WIND COND.170 18.4
  • 5939Fri30%
  • 6339Sat
  • 6440Sun
  • 6544Mon
  • 6342Tue
daynightWeather update from Portland-Hillsboro Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Rockcreek for August is 67.5 degrees
  • The lowest monthly average temperature in Rockcreek for December is 38.2 degrees
  • The most monthly precipitation in Rockcreek occurs in December with 6 inches
  • The air quality index in Rockcreek is 10% better than the national average
  • The pollution index in Rockcreek is 456% worse than the national average

Compare Rockcreek, OR Weather

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      Rockcreek 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
      January33°F47°F39°F4.8"
      February34°F52°F42°F3.8"
      March37°F56°F46°F4.5"
      April39°F62°F50°F2.5"
      May44°F70°F56°F2.1"
      June49°F75°F61°F1.3"
      July52°F84°F67°F0.3"
      August52°F85°F68°F0.4"
      September48°F78°F62°F1.4"
      October42°F65°F52°F3.6"
      November37°F53°F45°F5.8"
      December32°F45°F38°F6.0"

      Rockcreek 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.
      IndexRockcreekOregonNational
      Air quality index383242
      Pollution index15,149,9007,156,3562,726,193

      Rockcreek 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

      Rockcreek air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.160%
      Carbon Tetrachloride0.030%
      Lead0.080%
      Mercury0.010%

      Average monthly Rockcreek temperature with heat index

      Rockcreek monthly precipitation with daily maximum

      Rockcreek monthly snow depth with daily maximum

      Rockcreek monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bull Mountain, OR9,7323824.0%
      Gladstone, OR12,3163824.0%
      Lake Oswego, OR39,4763824.0%
      Oatfield, OR13,5883824.0%
      West Slope, OR6,7993824.0%
      Rockcreek, OR9,6983824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Keansburg, NJ9,697512.0%
      Villas, NJ9,6974020.0%
      Decatur, IN9,7004510.0%
      Marysville, MI9,6955612.0%
      Croydon, PA9,6934118.0%
      Rockcreek, OR9,6983824.0%
      Source: The Rockcreek, 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.