TODAY APR19
TEMPERATURE68
HUMIDITY17
PRESSURE101970
WIND COND.30 13
  • 7144Sat90%
  • 5842Sun60%20%
  • 6144Mon
  • 6747Tue
  • 6146Wed
daynightWeather update from Boeing Field - King County International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Moss Bay for August is 67.5 degrees
  • The lowest monthly average temperature in Moss Bay for December is 41.4 degrees
  • The most monthly precipitation in Moss Bay occurs in November with 6.6 inches
  • The air quality index in Moss Bay is 7% worse than the national average
  • The pollution index in Moss Bay is 1491% worse than the national average

Compare Kirkland, WA Weather

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      Moss Bay 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
      January36°F49°F42°F5.1"
      February37°F52°F44°F3.8"
      March40°F55°F47°F4.9"
      April43°F61°F51°F3.1"
      May49°F68°F57°F2.2"
      June54°F72°F62°F1.5"
      July58°F79°F67°F0.4"
      August58°F79°F68°F0.6"
      September54°F73°F62°F1.6"
      October47°F62°F54°F3.9"
      November40°F53°F47°F6.6"
      December36°F48°F41°F6.1"

      Moss Bay 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.
      IndexMoss BayKirklandWashington
      Air quality index454536
      Pollution index43,367,40043,367,4004,541,850

      Moss Bay air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality236
      Days with moderate air quality127
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Moss Bay air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.790%
      Carbon Tetrachloride0.120%
      Lead0.210%
      Mercury0.180%

      Average monthly Moss Bay temperature with heat index

      Moss Bay monthly precipitation with daily maximum

      Moss Bay monthly snow depth with daily maximum

      Moss Bay monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Beaux Arts Village, WA3964510.0%
      Duvall, WA7,9794510.0%
      Ames Lake, WA1,3174510.0%
      Burien, WA51,5884510.0%
      North Lynnwood, WA24,0844510.0%
      Kirkland, WA91,1464510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Carson, CA91,3547244.0%
      Santa Barbara, CA90,9114412.0%
      Suffolk, VA91,3834020.0%
      Westminster, CA90,8577244.0%
      Tracy, CA91,4624510.0%
      Kirkland, WA91,1464510.0%
      Source: The Moss Bay, Kirkland, 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.