TODAY SEP22
TEMPERATURE63
HUMIDITY81
PRESSURE30
WIND COND.230 9.4
  • 7254Tue
  • 7456Wed40%100%
  • 6552Thu90%60%
  • 6453Fri
  • 7154Sat
daynightWeather update from Eugene, Mahlon Sweet Field at

Key findings

  • The highest monthly average temperature in Jefferson Westside for July is 68 degrees
  • The lowest monthly average temperature in Jefferson Westside for December is 39 degrees
  • The most monthly precipitation in Jefferson Westside occurs in December with 6.7 inches
  • The air quality index in Jefferson Westside is 24% better than the national average
  • The pollution index in Jefferson Westside is 35% better than the national average

Compare Eugene, OR Weather

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      Jefferson Westside 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°F49°F40°F4.9"
      February34°F53°F43°F4.3"
      March37°F58°F47°F5.0"
      April38°F63°F50°F2.6"
      May43°F70°F56°F2.2"
      June47°F76°F61°F1.2"
      July51°F86°F68°F0.4"
      August51°F87°F68°F0.3"
      September47°F80°F62°F1.2"
      October42°F66°F53°F3.6"
      November37°F55°F45°F6.0"
      December32°F48°F39°F6.7"

      Jefferson Westside 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.
      IndexJefferson WestsideEugeneOregon
      Air quality index383832
      Pollution index3,310,0603,310,0605,374,527

      Jefferson Westside air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality254
      Days with moderate air quality103
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality0

      Jefferson Westside air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.020%
      Lead0.020%
      Mercury0.005%

      Average monthly Jefferson Westside temperature with heat index

      Jefferson Westside monthly precipitation with daily maximum

      Jefferson Westside monthly snow depth with daily maximum

      Jefferson Westside monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Springfield, OR60,6113824%
      Coburg, OR1,1943824%
      Veneta, OR4,7413824%
      Creswell, OR5,1543824%
      Junction City, OR5,7353824%
      Eugene, OR161,6493824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Corona, CA161,6148978%
      Salem, OR161,9753236%
      Elk Grove, CA163,634524%
      Lancaster, CA159,6517244%
      Peoria, AZ158,6777448%
      Eugene, OR161,6493824%
      Source: The Jefferson Westside, Eugene, OR 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.