TODAY APR25
TEMPERATURE49
HUMIDITY92
PRESSURE
WIND COND.235 3
  • 6046Fri100%70%
  • 5847Sat80%80%
  • 5742Sun90%
  • 5640Mon
  • 6042Tue
daynightWeather update from SR18 INTERCHANGE ECHO LAKE at
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Weather Quick Facts

  • The highest monthly average temperature in Fall City for August is 67.5 degrees
  • The lowest monthly average temperature in Fall City for December is 40.6 degrees
  • The most monthly precipitation in Fall City occurs in November with 5.7 inches
  • The air quality index in Fall City is 7% worse than the national average
  • The pollution index in Fall City is 1491% worse than the national average

Compare Fall City, WA Weather

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      Fall City 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°F48°F41°F4.7"
      February37°F51°F44°F3.2"
      March40°F55°F46°F4.5"
      April43°F61°F50°F2.9"
      May48°F68°F57°F2.1"
      June53°F73°F62°F1.6"
      July58°F80°F67°F0.5"
      August58°F80°F67°F0.9"
      September53°F73°F62°F1.8"
      October47°F62°F53°F3.9"
      November40°F53°F46°F5.7"
      December36°F47°F41°F4.5"

      Fall City 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.
      IndexFall CityWashingtonNational
      Air quality index453642
      Pollution index43,367,4004,541,8502,726,193

      Fall City 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

      Fall City air quality information

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

      Average monthly Fall City temperature with heat index

      Fall City monthly precipitation with daily maximum

      Fall City monthly snow depth with daily maximum

      Fall City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bothell East, WA13,1644510.0%
      Maple Heights-Lake Desire, WA3,5444510.0%
      Newcastle, WA12,0784510.0%
      Tanner, WA1,0904510.0%
      Redmond, WA67,9594510.0%
      Fall City, WA2,3574510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      West Branch, IA2,3573530.0%
      Anchorage, KY2,357492.0%
      Kenilworth, IL2,3565510.0%
      White Hall, IL2,3564020.0%
      Milford, ME2,3563138.0%
      Fall City, WA2,3574510.0%
      Source: The Fall City, 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.