TODAY SEP23
TEMPERATURE63
HUMIDITY87
PRESSURE29.75
WIND COND.170 11.2
  • 6657Thu100%100%
  • 6656Fri100%60%
  • 6660Sat90%
  • 6957Sun
  • 7054Mon
daynightWeather update from Renton, Renton Municipal Airport at

Key findings

  • The highest monthly average temperature in Factoria for August is 68 degrees
  • The lowest monthly average temperature in Factoria for December is 41 degrees
  • The most monthly precipitation in Factoria occurs in November with 6.6 inches
  • The air quality index in Factoria is 10% better than the national average
  • The pollution index in Factoria is 79% better than the national average

Compare Bellevue, WA Weather

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      Factoria 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"

      Factoria 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.
      IndexFactoriaBellevueWashington
      Air quality index454536
      Pollution index1,081,4301,081,4308,596,989

      Factoria 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

      Factoria air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Factoria temperature with heat index

      Factoria monthly precipitation with daily maximum

      Factoria monthly snow depth with daily maximum

      Factoria monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Ames Lake, WA1,5064510%
      Bothell West, WA19,8334510%
      Carnation, WA1,9024510%
      Des Moines, WA30,9044510%
      Fairwood CDP (Spokane County), WA8,0554510%
      Bellevue, WA136,7184510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Hampton, VA136,7894020%
      Warren, MI135,0695612%
      McAllen, TX138,4754216%
      Killeen, TX138,7454216%
      West Valley City, UT134,609512%
      Bellevue, WA136,7184510%
      Source: The Factoria, Bellevue, 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.