TODAY DEC22
TEMPERATURE46
HUMIDITY82
PRESSURE101490
WIND COND.120 9.4
  • 5344Mon90%100%
  • 5039Tue90%50%
  • 474390%
  • 5043Thu
  • 5043Fri
daynightWeather update from Pearson Airfield at
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Weather Quick Facts

  • The highest monthly average temperature in Mount Vista for August is 69.4 degrees
  • The lowest monthly average temperature in Mount Vista for December is 40.1 degrees
  • The most monthly precipitation in Mount Vista occurs in November with 6.2 inches
  • The air quality index in Mount Vista is 10% better than the national average
  • The pollution index in Mount Vista is 30% better than the national average

Compare Mount Vista, WA Weather

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      Mount Vista 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°F5.4"
      February36°F52°F43°F3.7"
      March39°F57°F47°F4.9"
      April42°F63°F52°F2.9"
      May48°F71°F58°F2.6"
      June53°F76°F63°F1.7"
      July57°F84°F69°F0.5"
      August57°F84°F69°F0.4"
      September52°F79°F64°F1.5"
      October46°F66°F55°F3.7"
      November40°F54°F47°F6.2"
      December34°F47°F40°F6.2"

      Mount Vista 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.
      IndexMount VistaWashingtonNational
      Air quality index383642
      Pollution index1,899,4104,541,8502,726,193

      Mount Vista 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
      Arsenic0.003%
      Benzene0.020%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.002%

      Average monthly Mount Vista temperature with heat index

      Mount Vista monthly precipitation with daily maximum

      Mount Vista monthly snow depth with daily maximum

      Mount Vista monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Deer Island, OR1051864.0%
      St. Helens, OR13,7791864.0%
      Woodland, WA6,2231864.0%
      Columbia City, OR1,7701864.0%
      Hockinson, WA6,1593824.0%
      Mount Vista, WA9,7623824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Sweet Home, OR9,7632844.0%
      Fort Stewart, GA9,7653922.0%
      Sugar Grove, IL9,7560100.0%
      Ingleside, TX9,7684216.0%
      Eunice, LA9,7544118.0%
      Mount Vista, WA9,7623824.0%
      Source: The Mount Vista, 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.