TODAY DEC18
TEMPERATURE41
HUMIDITY99
PRESSURE
WIND COND.109 22
  • 4632Wed70%
  • 4434Thu
  • 4633Fri
  • 4734Sat20%60%
  • 4437Sun30%90%
daynightWeather update from SR 26 Dusty at
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Weather Quick Facts

  • The highest monthly average temperature in Steptoe for July is 69.9 degrees
  • The lowest monthly average temperature in Steptoe for December is 30.2 degrees
  • The most monthly precipitation in Steptoe occurs in December with 2.9 inches
  • The air quality index in Steptoe is 57% better than the national average
  • The pollution index in Steptoe is 55% better than the national average

Compare Steptoe, WA Weather

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      Steptoe 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
      January24°F37°F30°F2.8"
      February28°F46°F35°F2.1"
      March34°F54°F43°F2.0"
      April36°F59°F47°F1.8"
      May43°F69°F55°F2.0"
      June46°F73°F59°F2.0"
      July51°F88°F70°F0.9"
      August48°F86°F67°F1.2"
      September41°F73°F56°F1.4"
      October39°F61°F49°F2.4"
      November31°F45°F37°F2.7"
      December24°F35°F30°F2.9"

      Steptoe 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.
      IndexSteptoeWashingtonNational
      Air quality index183642
      Pollution index1,232,2004,541,8502,726,193

      Steptoe air quality

      MeasurementTotal
      Days measured365
      Days with good air quality354
      Days with moderate air quality11
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.020%
      Mercury0.000%

      Average monthly Steptoe temperature with heat index

      Steptoe monthly precipitation with daily maximum

      Steptoe monthly snow depth with daily maximum

      Steptoe monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Farmington, WA1421080.0%
      Palouse, WA9691080.0%
      St. John, WA6121864.0%
      Garfield, WA5861864.0%
      Albion, WA6771864.0%
      Steptoe, WA1351864.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Atqasuk, AK1353824.0%
      Fort Greely, AK1353824.0%
      Mono City, CA135476.0%
      San Acacio, CO1351570.0%
      Mount Union, IA1353236.0%
      Steptoe, WA1351864.0%
      Source: The Steptoe, 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.