TODAY DEC22
TEMPERATURE35
HUMIDITY100
PRESSURE101900
WIND COND.120 7.6
  • 4035Sun70%70%
  • 4337Mon70%
  • 4534Tue60%
  • 423730%90%
  • 4336Thu70%50%
daynightWeather update from Grant County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Cascade Valley for July is 76.1 degrees
  • The lowest monthly average temperature in Cascade Valley for December is 27.9 degrees
  • The most monthly precipitation in Cascade Valley occurs in December with 1.2 inches
  • The air quality index in Cascade Valley is 57% better than the national average
  • The pollution index in Cascade Valley is 2% better than the national average

Compare Cascade Valley, WA Weather

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      Cascade Valley 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°F36°F29°F0.9"
      February26°F46°F35°F0.6"
      March32°F57°F44°F0.9"
      April37°F65°F51°F0.6"
      May45°F76°F61°F0.7"
      June52°F82°F68°F0.9"
      July58°F92°F76°F0.2"
      August55°F91°F74°F0.1"
      September47°F81°F64°F0.3"
      October38°F65°F50°F0.9"
      November29°F48°F38°F0.9"
      December21°F36°F28°F1.2"

      Cascade Valley 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.
      IndexCascade ValleyWashingtonNational
      Air quality index183642
      Pollution index2,683,4104,541,8502,726,193

      Cascade Valley air quality

      MeasurementTotal
      Days measured365
      Days with good air quality339
      Days with moderate air quality26
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Cascade Valley temperature with heat index

      Cascade Valley monthly precipitation with daily maximum

      Cascade Valley monthly snow depth with daily maximum

      Cascade Valley monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ephrata, WA8,0811864.0%
      Moses Lake, WA23,4421864.0%
      Moses Lake North, WA4,6641864.0%
      Warden, WA2,7731864.0%
      Cascade Valley, WA3,2341864.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Williams, AZ3,2344510.0%
      Moscow Mills, MO3,234548.0%
      Holton, KS3,2334118.0%
      Port Hawkesbury, NS3,233n/a 
      Opportunity No. 17, AB3,232n/a 
      Cascade Valley, WA3,2341864.0%
      Source: The Cascade Valley, 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.