TODAY DEC18
TEMPERATURE56
HUMIDITY60
PRESSURE101830
WIND COND.180 31.7
  • 5535Wed60%
  • 4635Thu
  • 4534Fri
  • 4536Sat30%50%
  • 4939Sun
daynightWeather update from Walla Walla Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in College Place for July is 77.4 degrees
  • The lowest monthly average temperature in College Place for December is 33.8 degrees
  • The most monthly precipitation in College Place occurs in March with 2.6 inches
  • The air quality index in College Place is 45% better than the national average
  • The pollution index in College Place is 74% better than the national average

Compare College Place, WA Weather

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      College Place 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
      January29°F43°F35°F1.8"
      February33°F49°F39°F1.4"
      March38°F58°F47°F2.6"
      April42°F64°F52°F2.0"
      May49°F74°F60°F1.8"
      June55°F82°F67°F1.5"
      July63°F93°F77°F0.3"
      August62°F91°F76°F0.2"
      September54°F81°F66°F0.6"
      October44°F66°F54°F1.7"
      November36°F51°F43°F2.3"
      December28°F41°F34°F2.5"

      College Place 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.
      IndexCollege PlaceWashingtonNational
      Air quality index233642
      Pollution index697,9424,541,8502,726,193

      College Place air quality

      MeasurementTotal
      Days measured365
      Days with good air quality318
      Days with moderate air quality47
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.004%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.010%

      Average monthly College Place temperature with heat index

      College Place monthly precipitation with daily maximum

      College Place monthly snow depth with daily maximum

      College Place monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Umapine, OR5372354.0%
      Touchet, WA3572354.0%
      Dixie, WA1702354.0%
      Walla Walla, WA32,9512354.0%
      Walla Walla East, WA2,4592354.0%
      College Place, WA9,3112354.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      North College Hill, OH9,310548.0%
      Leisure World, MD9,314476.0%
      Eagle Point, OR9,3163628.0%
      Hartland, WI9,3174412.0%
      Flossmoor, IL9,3185510.0%
      College Place, WA9,3112354.0%
      Source: The College Place, 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.