TODAY MAR29
TEMPERATURE40
HUMIDITY76
PRESSURE100810
WIND COND.220 7.6
  • 5735Fri
  • 6137Sat
  • 6639Sun
  • 7144Mon
  • 7645Tue
daynightWeather update from Ephrata, Ephrata Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Quincy for July is 77.5 degrees
  • The lowest monthly average temperature in Quincy for January is 28.9 degrees
  • The most monthly precipitation in Quincy occurs in March with 1.1 inches
  • The air quality index in Quincy is 43% better than the national average
  • The pollution index in Quincy is 2% better than the national average

Compare Quincy, WA Weather

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      Quincy 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
      January22°F35°F29°F0.7"
      February26°F45°F35°F0.6"
      March32°F57°F44°F1.1"
      April38°F65°F52°F0.8"
      May47°F76°F62°F0.7"
      June54°F83°F69°F0.8"
      July61°F92°F77°F0.2"
      August60°F91°F76°F0.2"
      September50°F81°F65°F0.3"
      October40°F65°F52°F0.9"
      November29°F48°F38°F0.8"
      December22°F37°F30°F0.9"

      Quincy 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.
      IndexQuincyWashingtonNational
      Air quality index243642
      Pollution index2,683,4104,541,8502,726,193

      Quincy air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality298
      Days with moderate air quality66
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Quincy air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.040%
      Carbon Tetrachloride0.004%
      Lead0.030%
      Mercury0.000%

      Average monthly Quincy temperature with heat index

      Quincy monthly precipitation with daily maximum

      Quincy monthly snow depth with daily maximum

      Quincy monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      George, WA8231864.0%
      Ephrata, WA8,0811864.0%
      Rock Island, WA1,2402452.0%
      Quincy, WA7,8152452.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Richfield, UT7,813468.0%
      Joshua, TX7,8183334.0%
      Les Cèdres, QC7,818n/a 
      Coteau-du-Lac, QC7,818n/a 
      Arran-Elderslie, ON7,811n/a 
      Quincy, WA7,8152452.0%
      Source: The Quincy, 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.