TODAY DEC23
TEMPERATURE50
HUMIDITY94
PRESSURE101490
WIND COND.200 9.4
  • 5344Mon100%
  • 5038Tue80%50%
  • 484190%100%
  • 5042Thu
  • 5042Fri
daynightWeather update from Pierce County-Thun Field at
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Weather Quick Facts

  • The highest monthly average temperature in Alderton for July is 65.3 degrees
  • The lowest monthly average temperature in Alderton for December is 38.2 degrees
  • The most monthly precipitation in Alderton occurs in November with 8.2 inches
  • The air quality index in Alderton is 7% worse than the national average
  • The pollution index in Alderton is 549% worse than the national average

Compare Alderton, WA Weather

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      Alderton 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
      January33°F47°F39°F7.4"
      February33°F51°F41°F4.9"
      March36°F55°F44°F6.1"
      April38°F60°F48°F4.0"
      May44°F67°F55°F4.5"
      June49°F72°F60°F3.0"
      July52°F80°F65°F1.5"
      August52°F80°F65°F3.4"
      September48°F73°F60°F4.4"
      October42°F62°F51°F6.3"
      November36°F52°F44°F8.2"
      December32°F46°F38°F6.9"

      Alderton 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.
      IndexAldertonWashingtonNational
      Air quality index453642
      Pollution index17,693,8004,541,8502,726,193

      Alderton air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.300%
      Carbon Tetrachloride0.050%
      Lead0.110%
      Mercury0.020%

      Average monthly Alderton temperature with heat index

      Alderton monthly precipitation with daily maximum

      Alderton monthly snow depth with daily maximum

      Alderton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Dash Point, WA1,0081864.0%
      Browns Point, WA9611864.0%
      Ruston, WA1,3291864.0%
      Tacoma, WA215,7661864.0%
      Clover Creek, WA6,8933040.0%
      Alderton, WA2,6954510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Henderson, GA2,6943922.0%
      San Miguel CDP (San Luis Obispo County), CA2,6964020.0%
      Belville, NC2,6963432.0%
      Sylva, NC2,6964412.0%
      Munsey Park, NY2,696512.0%
      Alderton, WA2,6954510.0%
      Source: The Alderton, 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.