TODAY MAR29
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 5532Fri40%
  • 6033Sat
  • 6036Sun20%
  • 6743Mon
  • 7442Tue
daynightWeather update from DW4698 Prescott at
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Weather Quick Facts

  • The highest monthly average temperature in Dayton for July is 77.4 degrees
  • The lowest monthly average temperature in Dayton for December is 33.8 degrees
  • The most monthly precipitation in Dayton occurs in March with 2.6 inches
  • The air quality index in Dayton is 45% better than the national average
  • The pollution index in Dayton is 55% better than the national average

Compare Dayton, WA Weather

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      Dayton 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"

      Dayton 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.
      IndexDaytonWashingtonNational
      Air quality index233642
      Pollution index1,232,2004,541,8502,726,193

      Dayton air quality information

      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

      Dayton air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.020%
      Mercury0.000%

      Average monthly Dayton temperature with heat index

      Dayton monthly precipitation with daily maximum

      Dayton monthly snow depth with daily maximum

      Dayton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Dixie, WA1702354.0%
      Starbuck, WA1612354.0%
      Waitsburg, WA1,1772354.0%
      Dayton, WA2,6202354.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Eldora, IA2,6203726.0%
      Homestead Valley, CA2,6198978.0%
      Rose Hills, CA2,6197244.0%
      Clarkson Valley, MO2,619548.0%
      Indian Springs Village, AL2,618536.0%
      Dayton, WA2,6202354.0%
      Source: The Dayton, 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.