TODAY NOV21
TEMPERATURE46
HUMIDITY79
PRESSURE101220
WIND COND.120 5.4
  • 5643Fri100%80%
  • 5041Sat90%80%
  • 5141Sun70%
  • 4940Mon
  • 4940Tue
daynightWeather update from Portland, Portland International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Oak Grove for August is 69.5 degrees
  • The lowest monthly average temperature in Oak Grove for December is 39.9 degrees
  • The most monthly precipitation in Oak Grove occurs in November with 6.2 inches
  • The air quality index in Oak Grove is 10% better than the national average
  • The pollution index in Oak Grove is 323% worse than the national average

Compare Oak Grove, OR Weather

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      Oak Grove 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"

      Oak Grove 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.
      IndexOak GroveOregonNational
      Air quality index383242
      Pollution index11,541,1007,156,3562,726,193

      Oak Grove air quality

      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

      Air quality details

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

      Average monthly Oak Grove temperature with heat index

      Oak Grove monthly precipitation with daily maximum

      Oak Grove monthly snow depth with daily maximum

      Oak Grove monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Donald, OR1,4653236.0%
      Gresham, OR110,4563824.0%
      Camas, WA24,0433824.0%
      Durham, OR1,7643824.0%
      King City, OR4,3453824.0%
      Oak Grove, OR17,7813824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Colonia, NJ17,782512.0%
      West Columbia, SC17,7824314.0%
      Franklin Park, IL17,7795510.0%
      Port Hope, ON17,769n/a 
      Selma, AL17,762524.0%
      Oak Grove, OR17,7813824.0%
      Source: The Oak Grove, 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.