TODAY APR23
TEMPERATURE52
HUMIDITY64
PRESSURE
WIND COND.60 2
  • 5945Wed40%40%
  • 5347Thu100%100%
  • 5444Fri90%
  • 5544Sat
  • 5441Sun
daynightWeather update from US30 WB at Bradley Wayside MP74.89 at
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Weather Quick Facts

  • The highest monthly average temperature in East Cathlamet for August is 65.7 degrees
  • The lowest monthly average temperature in East Cathlamet for December is 39.3 degrees
  • The most monthly precipitation in East Cathlamet occurs in December with 8.9 inches
  • The air quality index in East Cathlamet is 57% better than the national average
  • The pollution index in East Cathlamet is 55% worse than the national average

Compare East Cathlamet, WA Weather

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      East Cathlamet 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
      January35°F47°F40°F8.3"
      February36°F52°F42°F5.4"
      March40°F56°F46°F6.0"
      April41°F62°F50°F4.8"
      May47°F69°F56°F5.7"
      June52°F73°F60°F3.6"
      July55°F80°F65°F2.1"
      August55°F81°F66°F2.8"
      September51°F75°F61°F5.1"
      October46°F63°F53°F6.4"
      November40°F52°F45°F8.2"
      December35°F45°F39°F8.9"

      East Cathlamet 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.
      IndexEast CathlametWashingtonNational
      Air quality index183642
      Pollution index4,215,4104,541,8502,726,193

      East Cathlamet air quality information

      MeasurementTotal
      Days measured360
      Days with good air quality338
      Days with moderate air quality22
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      East Cathlamet air quality information

      PollutantTotal
      Arsenic0.005%
      Benzene0.050%
      Carbon Tetrachloride0.004%
      Lead0.030%
      Mercury0.250%

      Average monthly East Cathlamet temperature with heat index

      East Cathlamet monthly precipitation with daily maximum

      East Cathlamet monthly snow depth with daily maximum

      East Cathlamet monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cathlamet, WA6051864.0%
      Rosburg, WA3201864.0%
      Clatskanie, OR2,1891864.0%
      Grays River, WA3091864.0%
      Skamokawa Valley, WA2681864.0%
      East Cathlamet, WA5121864.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Gisela, AZ5126020.0%
      Mulford, CO5124412.0%
      Birmingham, IA5122942.0%
      Perrysville, IN5124216.0%
      Taylorsville, IN5124118.0%
      East Cathlamet, WA5121864.0%
      Source: The East Cathlamet, 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.