TODAY NOV21
TEMPERATURE42
HUMIDITY87
PRESSURE101190
WIND COND.130
  • 524040%20%
  • 5440Fri100%80%
  • 4940Sat80%90%
  • 5037Sun70%
  • 4935Mon
daynightWeather update from DW2629 Snohomish at
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Weather Quick Facts

  • The highest monthly average temperature in Lake Stevens for August is 63.5 degrees
  • The lowest monthly average temperature in Lake Stevens for December is 39.4 degrees
  • The most monthly precipitation in Lake Stevens occurs in November with 5.7 inches
  • The air quality index in Lake Stevens is 7% worse than the national average
  • The pollution index in Lake Stevens is 479% worse than the national average

Compare Lake Stevens, WA Weather

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      Lake Stevens 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°F46°F41°F3.8"
      February37°F49°F42°F2.7"
      March39°F52°F45°F4.4"
      April42°F57°F48°F2.8"
      May47°F64°F54°F2.2"
      June51°F68°F58°F1.8"
      July55°F74°F63°F0.7"
      August56°F75°F63°F0.9"
      September53°F69°F59°F2.0"
      October47°F59°F52°F3.6"
      November40°F51°F45°F5.7"
      December35°F44°F39°F4.9"

      Lake Stevens 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.
      IndexLake StevensWashingtonNational
      Air quality index453642
      Pollution index15,778,9004,541,8502,726,193

      Lake Stevens 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%
      Benzene0.270%
      Carbon Tetrachloride0.040%
      Lead0.160%
      Mercury0.003%

      Average monthly Lake Stevens temperature with heat index

      Lake Stevens monthly precipitation with daily maximum

      Lake Stevens monthly snow depth with daily maximum

      Lake Stevens monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lake Bosworth, WA1,0712452.0%
      North Marysville, WA1382452.0%
      Kayak Point, WA1,5002452.0%
      Arlington Heights, WA2,4632452.0%
      Lake Cassidy, WA2,8542452.0%
      Lake Stevens, WA33,4704510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Saint-Georges, QC33,468n/a 
      Long Beach, NY33,475512.0%
      Fairborn, OH33,456476.0%
      Estero, FL33,4503432.0%
      Woodridge, IL33,4435510.0%
      Lake Stevens, WA33,4704510.0%
      Source: The Lake Stevens, 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.